214399521

素因数分解:

$3^3\times 7^1\times {\mathrm{1134389}}^1$

素因数の和:1134405

約数の個数: 16

約数和(自身を含む): 363004800

約数和(自身を除く): 148605279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1134389, 3403167, 7940723, 10209501, 23822169, 30628503, 71466507, 214399521]

約数ペア:

[(1, 214399521), (3, 71466507), (7, 30628503), (9, 23822169), (21, 10209501), (27, 7940723), (63, 3403167), (189, 1134389)]