291336138

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{221717}}^1$

素因数の和:221798

約数の個数: 24

約数和(自身を含む): 639878148

約数和(自身を除く): 348542010

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 221717, 443434, 665151, 1330302, 1995453, 3990906, 16185341, 32370682, 48556023, 97112046, 145668069, 291336138]

約数ペア:

[(1, 291336138), (2, 145668069), (3, 97112046), (6, 48556023), (9, 32370682), (18, 16185341), (73, 3990906), (146, 1995453), (219, 1330302), (438, 665151), (657, 443434), (1314, 221717)]