12173421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10069}}^1$

素因数の和:10116

約数の個数: 16

約数和(自身を含む): 18045440

約数和(自身を除く): 5872019

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 10069, 30207, 130897, 312139, 392691, 936417, 4057807, 12173421]

約数ペア:

[(1, 12173421), (3, 4057807), (13, 936417), (31, 392691), (39, 312139), (93, 130897), (403, 30207), (1209, 10069)]