391323231

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{371627}}^1$

素因数の和:371652

約数の個数: 20

約数和(自身を含む): 629537832

約数和(自身を除く): 238214601

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 371627, 1114881, 3344643, 4831151, 10033929, 14493453, 30101787, 43480359, 130441077, 391323231]

約数ペア:

[(1, 391323231), (3, 130441077), (9, 43480359), (13, 30101787), (27, 14493453), (39, 10033929), (81, 4831151), (117, 3344643), (351, 1114881), (1053, 371627)]