87471891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2699}}^1$

素因数の和:2995

約数の個数: 24

約数和(自身を含む): 136609200

約数和(自身を除く): 49137309

約数列:

[1, 3, 9, 13, 39, 117, 277, 831, 2493, 2699, 3601, 8097, 10803, 24291, 32409, 35087, 105261, 315783, 747623, 2242869, 6728607, 9719099, 29157297, 87471891]

約数ペア:

[(1, 87471891), (3, 29157297), (9, 9719099), (13, 6728607), (39, 2242869), (117, 747623), (277, 315783), (831, 105261), (2493, 35087), (2699, 32409), (3601, 24291), (8097, 10803)]