990492069

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{115321}}^1$

素因数の和:115740

約数の個数: 16

約数和(自身を含む): 1513024640

約数和(自身を除く): 522532571

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 115321, 345963, 807247, 2421741, 47166289, 141498867, 330164023, 990492069]

約数ペア:

[(1, 990492069), (3, 330164023), (7, 141498867), (21, 47166289), (409, 2421741), (1227, 807247), (2863, 345963), (8589, 115321)]