157215331

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 202704768

約数和(自身を除く): 45489437

約数列:

[1, 7, 13, 37, 53, 91, 259, 371, 481, 689, 881, 1961, 3367, 4823, 6167, 11453, 13727, 25493, 32597, 46693, 80171, 178451, 228179, 326851, 423761, 607009, 1727641, 2966327, 4249063, 12093487, 22459333, 157215331]

約数ペア:

[(1, 157215331), (7, 22459333), (13, 12093487), (37, 4249063), (53, 2966327), (91, 1727641), (259, 607009), (371, 423761), (481, 326851), (689, 228179), (881, 178451), (1961, 80171), (3367, 46693), (4823, 32597), (6167, 25493), (11453, 13727)]