990388623

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2482177}}^1$

素因数の和:2482206

約数の個数: 16

約数和(自身を含む): 1588593920

約数和(自身を除く): 598205297

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2482177, 7446531, 17375239, 47161363, 52125717, 141484089, 330129541, 990388623]

約数ペア:

[(1, 990388623), (3, 330129541), (7, 141484089), (19, 52125717), (21, 47161363), (57, 17375239), (133, 7446531), (399, 2482177)]