213138789

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{5657}}^1$

素因数の和:6340

約数の個数: 16

約数和(自身を含む): 299647680

約数和(自身を除く): 86508891

約数列:

[1, 3, 19, 57, 661, 1983, 5657, 12559, 16971, 37677, 107483, 322449, 3739277, 11217831, 71046263, 213138789]

約数ペア:

[(1, 213138789), (3, 71046263), (19, 11217831), (57, 3739277), (661, 322449), (1983, 107483), (5657, 37677), (12559, 16971)]