31356897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3893

約数の個数: 32

約数和(自身を含む): 51717120

約数和(自身を除く): 20360223

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 3847, 8151, 11541, 42317, 50011, 73093, 126951, 150033, 219279, 550121, 804023, 950209, 1650363, 2412069, 2850627, 10452299, 31356897]

約数ペア:

[(1, 31356897), (3, 10452299), (11, 2850627), (13, 2412069), (19, 1650363), (33, 950209), (39, 804023), (57, 550121), (143, 219279), (209, 150033), (247, 126951), (429, 73093), (627, 50011), (741, 42317), (2717, 11541), (3847, 8151)]