81442207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2719}}^1$

素因数の和:3126

約数の個数: 16

約数和(自身を含む): 101836800

約数和(自身を除く): 20394593

約数列:

[1, 7, 11, 77, 389, 2719, 2723, 4279, 19033, 29909, 29953, 209363, 1057691, 7403837, 11634601, 81442207]

約数ペア:

[(1, 81442207), (7, 11634601), (11, 7403837), (77, 1057691), (389, 209363), (2719, 29953), (2723, 29909), (4279, 19033)]