161139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 247680

約数和(自身を除く): 86541

約数列:

[1, 3, 11, 19, 33, 57, 209, 257, 627, 771, 2827, 4883, 8481, 14649, 53713, 161139]

約数ペア:

[(1, 161139), (3, 53713), (11, 14649), (19, 8481), (33, 4883), (57, 2827), (209, 771), (257, 627)]