404979975

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 763701120

約数和(自身を除く): 358721145

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 139, 207, 225, 345, 417, 563, 575, 695, 1035, 1251, 1689, 1725, 2085, 2815, 3197, 3475, 5067, 5175, 6255, 8445, 9591, 10425, 12949, 14075, 15985, 25335, 28773, 31275, 38847, 42225, 47955, 64745, 78257, 79925, 116541, 126675, 143865, 194235, 234771, 239775, 323725, 391285, 582705, 704313, 719325, 971175, 1173855, 1799911, 1956425, 2913525, 3521565, 5399733, 5869275, 8999555, 16199199, 17607825, 26998665, 44997775, 80995995, 134993325, 404979975]

約数ペア:

[(1, 404979975), (3, 134993325), (5, 80995995), (9, 44997775), (15, 26998665), (23, 17607825), (25, 16199199), (45, 8999555), (69, 5869275), (75, 5399733), (115, 3521565), (139, 2913525), (207, 1956425), (225, 1799911), (345, 1173855), (417, 971175), (563, 719325), (575, 704313), (695, 582705), (1035, 391285), (1251, 323725), (1689, 239775), (1725, 234771), (2085, 194235), (2815, 143865), (3197, 126675), (3475, 116541), (5067, 79925), (5175, 78257), (6255, 64745), (8445, 47955), (9591, 42225), (10425, 38847), (12949, 31275), (14075, 28773), (15985, 25335)]