71240625

素因数分解:

$3^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 137100600

約数和(自身を除く): 65859975

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 149, 153, 225, 255, 375, 425, 447, 625, 745, 765, 1125, 1275, 1341, 1875, 2125, 2235, 2533, 3125, 3725, 3825, 5625, 6375, 6705, 7599, 9375, 10625, 11175, 12665, 18625, 19125, 22797, 28125, 31875, 33525, 37995, 53125, 55875, 63325, 93125, 95625, 113985, 159375, 167625, 189975, 279375, 316625, 465625, 478125, 569925, 838125, 949875, 1396875, 1583125, 2849625, 4190625, 4749375, 7915625, 14248125, 23746875, 71240625]

約数ペア:

[(1, 71240625), (3, 23746875), (5, 14248125), (9, 7915625), (15, 4749375), (17, 4190625), (25, 2849625), (45, 1583125), (51, 1396875), (75, 949875), (85, 838125), (125, 569925), (149, 478125), (153, 465625), (225, 316625), (255, 279375), (375, 189975), (425, 167625), (447, 159375), (625, 113985), (745, 95625), (765, 93125), (1125, 63325), (1275, 55875), (1341, 53125), (1875, 37995), (2125, 33525), (2235, 31875), (2533, 28125), (3125, 22797), (3725, 19125), (3825, 18625), (5625, 12665), (6375, 11175), (6705, 10625), (7599, 9375)]