31205811

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 51616768

約数和(自身を除く): 20410957

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 273, 453, 757, 1057, 1963, 2271, 3171, 5299, 5889, 9841, 13741, 15897, 29523, 41223, 68887, 114307, 206661, 342921, 800149, 1485991, 2400447, 4457973, 10401937, 31205811]

約数ペア:

[(1, 31205811), (3, 10401937), (7, 4457973), (13, 2400447), (21, 1485991), (39, 800149), (91, 342921), (151, 206661), (273, 114307), (453, 68887), (757, 41223), (1057, 29523), (1963, 15897), (2271, 13741), (3171, 9841), (5299, 5889)]