2489211

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 20

約数和(自身を含む): 3775200

約数和(自身を除く): 1285989

約数列:

[1, 3, 9, 27, 79, 81, 237, 389, 711, 1167, 2133, 3501, 6399, 10503, 30731, 31509, 92193, 276579, 829737, 2489211]

約数ペア:

[(1, 2489211), (3, 829737), (9, 276579), (27, 92193), (79, 31509), (81, 30731), (237, 10503), (389, 6399), (711, 3501), (1167, 2133)]