86937981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71909}}^1$

素因数の和:71956

約数の個数: 16

約数和(自身を含む): 128862720

約数和(自身を除く): 41924739

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 71909, 215727, 934817, 2229179, 2804451, 6687537, 28979327, 86937981]

約数ペア:

[(1, 86937981), (3, 28979327), (13, 6687537), (31, 2804451), (39, 2229179), (93, 934817), (403, 215727), (1209, 71909)]