1397490621

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1\times {\mathrm{4651}}^1$

素因数の和:6832

約数の個数: 16

約数和(自身を含む): 1904268288

約数和(自身を除く): 506777667

約数列:

[1, 3, 47, 141, 2131, 4651, 6393, 13953, 100157, 218597, 300471, 655791, 9911281, 29733843, 465830207, 1397490621]

約数ペア:

[(1, 1397490621), (3, 465830207), (47, 29733843), (141, 9911281), (2131, 655791), (4651, 300471), (6393, 218597), (13953, 100157)]