86657877

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{20443}}^1$

素因数の和:20609

約数の個数: 16

約数和(自身を含む): 129206080

約数和(自身を除く): 42548203

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 20443, 61329, 183987, 551961, 3209551, 9628653, 28885959, 86657877]

約数ペア:

[(1, 86657877), (3, 28885959), (9, 9628653), (27, 3209551), (157, 551961), (471, 183987), (1413, 61329), (4239, 20443)]