210007557675

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2087}}^1\times {\mathrm{6299}}^1$

素因数の和:8473

約数の個数: 72

約数和(自身を含む): 381688070400

約数和(自身を除く): 171680512725

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 2087, 3195, 5325, 6261, 6299, 10435, 15975, 18783, 18897, 31305, 31495, 52175, 56691, 93915, 94485, 148177, 156525, 157475, 283455, 444531, 447229, 469575, 472425, 740885, 1333593, 1341687, 1417275, 2222655, 2236145, 3704425, 4025061, 6667965, 6708435, 11113275, 11180725, 13146013, 20125305, 33339825, 33542175, 39438039, 65730065, 100626525, 118314117, 197190195, 328650325, 591570585, 933366923, 985950975, 2800100769, 2957852925, 4666834615, 8400302307, 14000503845, 23334173075, 42001511535, 70002519225, 210007557675]

約数ペア:

[(1, 210007557675), (3, 70002519225), (5, 42001511535), (9, 23334173075), (15, 14000503845), (25, 8400302307), (45, 4666834615), (71, 2957852925), (75, 2800100769), (213, 985950975), (225, 933366923), (355, 591570585), (639, 328650325), (1065, 197190195), (1775, 118314117), (2087, 100626525), (3195, 65730065), (5325, 39438039), (6261, 33542175), (6299, 33339825), (10435, 20125305), (15975, 13146013), (18783, 11180725), (18897, 11113275), (31305, 6708435), (31495, 6667965), (52175, 4025061), (56691, 3704425), (93915, 2236145), (94485, 2222655), (148177, 1417275), (156525, 1341687), (157475, 1333593), (283455, 740885), (444531, 472425), (447229, 469575)]