2531625

素因数分解:

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

素因数の和:218

約数の個数: 32

約数和(自身を含む): 4338048

約数和(自身を除く): 1806423

約数列:

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

約数ペア:

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