2013209721

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{65579}}^1$

素因数の和:65970

約数の個数: 20

約数和(自身を含む): 3015368400

約数和(自身を除く): 1002158679

約数列:

[1, 3, 9, 27, 81, 379, 1137, 3411, 10233, 30699, 65579, 196737, 590211, 1770633, 5311899, 24854441, 74563323, 223689969, 671069907, 2013209721]

約数ペア:

[(1, 2013209721), (3, 671069907), (9, 223689969), (27, 74563323), (81, 24854441), (379, 5311899), (1137, 1770633), (3411, 590211), (10233, 196737), (30699, 65579)]