71164125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 138094632

約数和(自身を除く): 66930507

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 61, 75, 85, 125, 153, 183, 225, 255, 305, 375, 425, 549, 765, 915, 1037, 1125, 1275, 1525, 2125, 2745, 3111, 3721, 3825, 4575, 5185, 6375, 7625, 9333, 11163, 13725, 15555, 18605, 19125, 22875, 25925, 33489, 46665, 55815, 63257, 68625, 77775, 93025, 129625, 167445, 189771, 233325, 279075, 316285, 388875, 465125, 569313, 837225, 948855, 1166625, 1395375, 1581425, 2846565, 4186125, 4744275, 7907125, 14232825, 23721375, 71164125]

約数ペア:

[(1, 71164125), (3, 23721375), (5, 14232825), (9, 7907125), (15, 4744275), (17, 4186125), (25, 2846565), (45, 1581425), (51, 1395375), (61, 1166625), (75, 948855), (85, 837225), (125, 569313), (153, 465125), (183, 388875), (225, 316285), (255, 279075), (305, 233325), (375, 189771), (425, 167445), (549, 129625), (765, 93025), (915, 77775), (1037, 68625), (1125, 63257), (1275, 55815), (1525, 46665), (2125, 33489), (2745, 25925), (3111, 22875), (3721, 19125), (3825, 18605), (4575, 15555), (5185, 13725), (6375, 11163), (7625, 9333)]