31378215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10009}}^1$

素因数の和:10047

約数の個数: 32

約数和(自身を含む): 57657600

約数和(自身を除く): 26279385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 10009, 30027, 50045, 110099, 150135, 190171, 330297, 550495, 570513, 950855, 1651485, 2091881, 2852565, 6275643, 10459405, 31378215]

約数ペア:

[(1, 31378215), (3, 10459405), (5, 6275643), (11, 2852565), (15, 2091881), (19, 1651485), (33, 950855), (55, 570513), (57, 550495), (95, 330297), (165, 190171), (209, 150135), (285, 110099), (627, 50045), (1045, 30027), (3135, 10009)]