161381439

素因数分解:

$3^2\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 235872000

約数和(自身を除く): 74490561

約数列:

[1, 3, 9, 191, 269, 349, 573, 807, 1047, 1719, 2421, 3141, 51379, 66659, 93881, 154137, 199977, 281643, 462411, 599931, 844929, 17931271, 53793813, 161381439]

約数ペア:

[(1, 161381439), (3, 53793813), (9, 17931271), (191, 844929), (269, 599931), (349, 462411), (573, 281643), (807, 199977), (1047, 154137), (1719, 93881), (2421, 66659), (3141, 51379)]