221372508825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1\times {\mathrm{3257}}^1$

素因数の和:4528

約数の個数: 144

約数和(自身を含む): 449982449280

約数和(自身を除く): 228609940455

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1223, 1235, 1425, 2223, 2925, 3257, 3669, 3705, 4275, 6115, 6175, 9771, 11007, 11115, 15899, 16285, 18345, 18525, 23237, 29313, 30575, 42341, 47697, 48855, 55035, 55575, 61883, 69711, 79495, 81425, 91725, 116185, 127023, 143091, 146565, 185649, 209133, 211705, 238485, 244275, 275175, 302081, 309415, 348555, 381069, 397475, 556947, 580925, 635115, 715455, 732825, 804479, 906243, 928245, 1045665, 1058525, 1192425, 1510405, 1547075, 1742775, 1905345, 2413437, 2718729, 2784735, 3175575, 3577275, 3983311, 4022395, 4531215, 4641225, 5228325, 7240311, 7552025, 9526725, 11949933, 12067185, 13593645, 13923675, 19916555, 20111975, 22656075, 35849799, 36201555, 51783043, 59749665, 60335925, 67968225, 75682909, 99582775, 155349129, 179248995, 181007775, 227048727, 258915215, 298748325, 378414545, 466047387, 681146181, 776745645, 896244975, 983877817, 1135243635, 1294576075, 1892072725, 2330236935, 2951633451, 3405730905, 3883728225, 4919389085, 5676218175, 8854900353, 11651184675, 14758167255, 17028654525, 24596945425, 44274501765, 73790836275, 221372508825]

約数ペア:

[(1, 221372508825), (3, 73790836275), (5, 44274501765), (9, 24596945425), (13, 17028654525), (15, 14758167255), (19, 11651184675), (25, 8854900353), (39, 5676218175), (45, 4919389085), (57, 3883728225), (65, 3405730905), (75, 2951633451), (95, 2330236935), (117, 1892072725), (171, 1294576075), (195, 1135243635), (225, 983877817), (247, 896244975), (285, 776745645), (325, 681146181), (475, 466047387), (585, 378414545), (741, 298748325), (855, 258915215), (975, 227048727), (1223, 181007775), (1235, 179248995), (1425, 155349129), (2223, 99582775), (2925, 75682909), (3257, 67968225), (3669, 60335925), (3705, 59749665), (4275, 51783043), (6115, 36201555), (6175, 35849799), (9771, 22656075), (11007, 20111975), (11115, 19916555), (15899, 13923675), (16285, 13593645), (18345, 12067185), (18525, 11949933), (23237, 9526725), (29313, 7552025), (30575, 7240311), (42341, 5228325), (47697, 4641225), (48855, 4531215), (55035, 4022395), (55575, 3983311), (61883, 3577275), (69711, 3175575), (79495, 2784735), (81425, 2718729), (91725, 2413437), (116185, 1905345), (127023, 1742775), (143091, 1547075), (146565, 1510405), (185649, 1192425), (209133, 1058525), (211705, 1045665), (238485, 928245), (244275, 906243), (275175, 804479), (302081, 732825), (309415, 715455), (348555, 635115), (381069, 580925), (397475, 556947)]