81418311

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{231961}}^1$

素因数の和:231983

約数の個数: 16

約数和(自身を含む): 129898720

約数和(自身を除く): 48480409

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 231961, 695883, 2087649, 3015493, 6262947, 9046479, 27139437, 81418311]

約数ペア:

[(1, 81418311), (3, 27139437), (9, 9046479), (13, 6262947), (27, 3015493), (39, 2087649), (117, 695883), (351, 231961)]