204067521

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{13553}}^1$

素因数の和:13805

約数の個数: 24

約数和(自身を含む): 338307840

約数和(自身を除く): 134240319

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 13553, 15057, 40659, 94871, 121977, 284613, 853839, 3239167, 9717501, 22674169, 29152503, 68022507, 204067521]

約数ペア:

[(1, 204067521), (3, 68022507), (7, 29152503), (9, 22674169), (21, 9717501), (63, 3239167), (239, 853839), (717, 284613), (1673, 121977), (2151, 94871), (5019, 40659), (13553, 15057)]