8758125

素因数分解:

$3^4\times 5^4\times {\mathrm{173}}^1$

素因数の和:205

約数の個数: 50

約数和(自身を含む): 16443174

約数和(自身を除く): 7685049

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 173, 225, 375, 405, 519, 625, 675, 865, 1125, 1557, 1875, 2025, 2595, 3375, 4325, 4671, 5625, 7785, 10125, 12975, 14013, 16875, 21625, 23355, 38925, 50625, 64875, 70065, 108125, 116775, 194625, 324375, 350325, 583875, 973125, 1751625, 2919375, 8758125]

約数ペア:

[(1, 8758125), (3, 2919375), (5, 1751625), (9, 973125), (15, 583875), (25, 350325), (27, 324375), (45, 194625), (75, 116775), (81, 108125), (125, 70065), (135, 64875), (173, 50625), (225, 38925), (375, 23355), (405, 21625), (519, 16875), (625, 14013), (675, 12975), (865, 10125), (1125, 7785), (1557, 5625), (1875, 4671), (2025, 4325), (2595, 3375)]