31166421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72649}}^1$

素因数の和:72676

約数の個数: 16

約数和(自身を含む): 48820800

約数和(自身を除く): 17654379

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 72649, 217947, 799139, 944437, 2397417, 2833311, 10388807, 31166421]

約数ペア:

[(1, 31166421), (3, 10388807), (11, 2833311), (13, 2397417), (33, 944437), (39, 799139), (143, 217947), (429, 72649)]