490654521

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{210491}}^1$

素因数の和:210541

約数の個数: 24

約数和(自身を含む): 831864384

約数和(自身を除く): 341209863

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 210491, 631473, 1473437, 1894419, 4420311, 7788167, 13260933, 23364501, 54517169, 70093503, 163551507, 490654521]

約数ペア:

[(1, 490654521), (3, 163551507), (7, 70093503), (9, 54517169), (21, 23364501), (37, 13260933), (63, 7788167), (111, 4420311), (259, 1894419), (333, 1473437), (777, 631473), (2331, 210491)]