261596107521

素因数分解:

$3^3\times 7^1\times {\mathrm{1384106389}}^1$

素因数の和:1384106405

約数の個数: 16

約数和(自身を含む): 442914044800

約数和(自身を除く): 181317937279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1384106389, 4152319167, 9688744723, 12456957501, 29066234169, 37370872503, 87198702507, 261596107521]

約数ペア:

[(1, 261596107521), (3, 87198702507), (7, 37370872503), (9, 29066234169), (21, 12456957501), (27, 9688744723), (63, 4152319167), (189, 1384106389)]