87215765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1861}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 130131456

約数和(自身を除く): 42915691

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 455, 515, 721, 1339, 1861, 3605, 6695, 9305, 9373, 13027, 24193, 46865, 65135, 120965, 169351, 191683, 846755, 958415, 1341781, 2491879, 6708905, 12459395, 17443153, 87215765]

約数ペア:

[(1, 87215765), (5, 17443153), (7, 12459395), (13, 6708905), (35, 2491879), (65, 1341781), (91, 958415), (103, 846755), (455, 191683), (515, 169351), (721, 120965), (1339, 65135), (1861, 46865), (3605, 24193), (6695, 13027), (9305, 9373)]