81821069

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{1999}}^1$

素因数の和:2132

約数の個数: 12

約数和(自身を含む): 90792000

約数和(自身を除く): 8970931

約数列:

[1, 11, 61, 671, 1999, 3721, 21989, 40931, 121939, 1341329, 7438279, 81821069]

約数ペア:

[(1, 81821069), (11, 7438279), (61, 1341329), (671, 121939), (1999, 40931), (3721, 21989)]