13480731

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{12379}}^1$

素因数の和:12407

約数の個数: 18

約数和(自身を含む): 21405020

約数和(自身を除く): 7924289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 12379, 37137, 111411, 136169, 408507, 1225521, 1497859, 4493577, 13480731]

約数ペア:

[(1, 13480731), (3, 4493577), (9, 1497859), (11, 1225521), (33, 408507), (99, 136169), (121, 111411), (363, 37137), (1089, 12379)]