12658125

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 21718048

約数和(自身を除く): 9059923

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 157, 215, 375, 471, 625, 645, 785, 1075, 1875, 2355, 3225, 3925, 5375, 6751, 11775, 16125, 19625, 20253, 26875, 33755, 58875, 80625, 98125, 101265, 168775, 294375, 506325, 843875, 2531625, 4219375, 12658125]

約数ペア:

[(1, 12658125), (3, 4219375), (5, 2531625), (15, 843875), (25, 506325), (43, 294375), (75, 168775), (125, 101265), (129, 98125), (157, 80625), (215, 58875), (375, 33755), (471, 26875), (625, 20253), (645, 19625), (785, 16125), (1075, 11775), (1875, 6751), (2355, 5375), (3225, 3925)]