12840579

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{2749}}^1$

素因数の和:2931

約数の個数: 16

約数和(自身を含む): 19140000

約数和(自身を除く): 6299421

約数列:

[1, 3, 9, 27, 173, 519, 1557, 2749, 4671, 8247, 24741, 74223, 475577, 1426731, 4280193, 12840579]

約数ペア:

[(1, 12840579), (3, 4280193), (9, 1426731), (27, 475577), (173, 74223), (519, 24741), (1557, 8247), (2749, 4671)]