51315615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87719}}^1$

素因数の和:87743

約数の個数: 24

約数和(自身を含む): 95790240

約数和(自身を除く): 44474625

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 87719, 263157, 438595, 789471, 1140347, 1315785, 3421041, 3947355, 5701735, 10263123, 17105205, 51315615]

約数ペア:

[(1, 51315615), (3, 17105205), (5, 10263123), (9, 5701735), (13, 3947355), (15, 3421041), (39, 1315785), (45, 1140347), (65, 789471), (117, 438595), (195, 263157), (585, 87719)]