28608975

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3016

約数の個数: 36

約数和(自身を含む): 52451256

約数和(自身を除く): 23842281

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2957, 3225, 8871, 9675, 14785, 26613, 44355, 73925, 127151, 133065, 221775, 381453, 635755, 665325, 1144359, 1907265, 3178775, 5721795, 9536325, 28608975]

約数ペア:

[(1, 28608975), (3, 9536325), (5, 5721795), (9, 3178775), (15, 1907265), (25, 1144359), (43, 665325), (45, 635755), (75, 381453), (129, 221775), (215, 133065), (225, 127151), (387, 73925), (645, 44355), (1075, 26613), (1935, 14785), (2957, 9675), (3225, 8871)]