8465625

素因数分解:

$3^2\times 5^5\times 7^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 17873856

約数和(自身を除く): 9408231

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 125, 129, 175, 215, 225, 301, 315, 375, 387, 525, 625, 645, 875, 903, 1075, 1125, 1505, 1575, 1875, 1935, 2625, 2709, 3125, 3225, 4375, 4515, 5375, 5625, 7525, 7875, 9375, 9675, 13125, 13545, 16125, 21875, 22575, 26875, 28125, 37625, 39375, 48375, 65625, 67725, 80625, 112875, 134375, 188125, 196875, 241875, 338625, 403125, 564375, 940625, 1209375, 1693125, 2821875, 8465625]

約数ペア:

[(1, 8465625), (3, 2821875), (5, 1693125), (7, 1209375), (9, 940625), (15, 564375), (21, 403125), (25, 338625), (35, 241875), (43, 196875), (45, 188125), (63, 134375), (75, 112875), (105, 80625), (125, 67725), (129, 65625), (175, 48375), (215, 39375), (225, 37625), (301, 28125), (315, 26875), (375, 22575), (387, 21875), (525, 16125), (625, 13545), (645, 13125), (875, 9675), (903, 9375), (1075, 7875), (1125, 7525), (1505, 5625), (1575, 5375), (1875, 4515), (1935, 4375), (2625, 3225), (2709, 3125)]