20191139925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{117101}}^1$

素因数の和:117155

約数の個数: 72

約数和(自身を含む): 38624923680

約数和(自身を除く): 18433783755

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 121, 165, 209, 275, 285, 363, 475, 605, 627, 825, 1045, 1425, 1815, 2299, 3025, 3135, 5225, 6897, 9075, 11495, 15675, 34485, 57475, 117101, 172425, 351303, 585505, 1288111, 1756515, 2224919, 2927525, 3864333, 6440555, 6674757, 8782575, 11124595, 14169221, 19321665, 24474109, 32202775, 33373785, 42507663, 55622975, 70846105, 73422327, 96608325, 122370545, 166868925, 212538315, 269215199, 354230525, 367111635, 611852725, 807645597, 1062691575, 1346075995, 1835558175, 4038227985, 6730379975, 20191139925]

約数ペア:

[(1, 20191139925), (3, 6730379975), (5, 4038227985), (11, 1835558175), (15, 1346075995), (19, 1062691575), (25, 807645597), (33, 611852725), (55, 367111635), (57, 354230525), (75, 269215199), (95, 212538315), (121, 166868925), (165, 122370545), (209, 96608325), (275, 73422327), (285, 70846105), (363, 55622975), (475, 42507663), (605, 33373785), (627, 32202775), (825, 24474109), (1045, 19321665), (1425, 14169221), (1815, 11124595), (2299, 8782575), (3025, 6674757), (3135, 6440555), (5225, 3864333), (6897, 2927525), (9075, 2224919), (11495, 1756515), (15675, 1288111), (34485, 585505), (57475, 351303), (117101, 172425)]