638565579

素因数分解:

$3^3\times {\mathrm{2953}}^1\times {\mathrm{8009}}^1$

素因数の和:10971

約数の個数: 16

約数和(自身を含む): 946461600

約数和(自身を除く): 307896021

約数列:

[1, 3, 9, 27, 2953, 8009, 8859, 24027, 26577, 72081, 79731, 216243, 23650577, 70951731, 212855193, 638565579]

約数ペア:

[(1, 638565579), (3, 212855193), (9, 70951731), (27, 23650577), (2953, 216243), (8009, 79731), (8859, 72081), (24027, 26577)]