20161191231

素因数分解:

$3^2\times {\mathrm{1009}}^1\times {\mathrm{2220151}}^1$

素因数の和:2221166

約数の個数: 12

約数和(自身を含む): 29150595760

約数和(自身を除く): 8989404529

約数列:

[1, 3, 9, 1009, 3027, 9081, 2220151, 6660453, 19981359, 2240132359, 6720397077, 20161191231]

約数ペア:

[(1, 20161191231), (3, 6720397077), (9, 2240132359), (1009, 19981359), (3027, 6660453), (9081, 2220151)]