147917121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 219345408

約数和(自身を除く): 71428287

約数列:

[1, 3, 11, 33, 107, 163, 257, 321, 489, 771, 1177, 1793, 2827, 3531, 5379, 8481, 17441, 27499, 41891, 52323, 82497, 125673, 191851, 302489, 460801, 575553, 907467, 1382403, 4482337, 13447011, 49305707, 147917121]

約数ペア:

[(1, 147917121), (3, 49305707), (11, 13447011), (33, 4482337), (107, 1382403), (163, 907467), (257, 575553), (321, 460801), (489, 302489), (771, 191851), (1177, 125673), (1793, 82497), (2827, 52323), (3531, 41891), (5379, 27499), (8481, 17441)]