2218200021

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{85549}}^1$

素因数の和:85665

約数の個数: 24

約数和(自身を含む): 3327552800

約数和(自身を除く): 1109352779

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 2881, 8643, 25929, 85549, 256647, 769941, 3678607, 5731783, 11035821, 17195349, 33107463, 51586047, 246466669, 739400007, 2218200021]

約数ペア:

[(1, 2218200021), (3, 739400007), (9, 246466669), (43, 51586047), (67, 33107463), (129, 17195349), (201, 11035821), (387, 5731783), (603, 3678607), (2881, 769941), (8643, 256647), (25929, 85549)]