8139789

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 13728000

約数和(自身を除く): 5588211

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2749, 2961, 8247, 19243, 24741, 57729, 129203, 173187, 387609, 904421, 1162827, 2713263, 8139789]

約数ペア:

[(1, 8139789), (3, 2713263), (7, 1162827), (9, 904421), (21, 387609), (47, 173187), (63, 129203), (141, 57729), (329, 24741), (423, 19243), (987, 8247), (2749, 2961)]