81704061

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 119799680

約数和(自身を除く): 38095619

約数列:

[1, 3, 9, 139, 241, 271, 417, 723, 813, 1251, 2169, 2439, 33499, 37669, 65311, 100497, 113007, 195933, 301491, 339021, 587799, 9078229, 27234687, 81704061]

約数ペア:

[(1, 81704061), (3, 27234687), (9, 9078229), (139, 587799), (241, 339021), (271, 301491), (417, 195933), (723, 113007), (813, 100497), (1251, 65311), (2169, 37669), (2439, 33499)]