1242181521

素因数分解:

$3^3\times 7^1\times {\mathrm{6572389}}^1$

素因数の和:6572405

約数の個数: 16

約数和(自身を含む): 2103164800

約数和(自身を除く): 860983279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6572389, 19717167, 46006723, 59151501, 138020169, 177454503, 414060507, 1242181521]

約数ペア:

[(1, 1242181521), (3, 414060507), (7, 177454503), (9, 138020169), (21, 59151501), (27, 46006723), (63, 19717167), (189, 6572389)]