247290417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{42337}}^1$

素因数の和:42413

約数の個数: 24

約数和(自身を含む): 396283680

約数和(自身を除く): 148993263

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 5841, 42337, 127011, 381033, 465707, 1397121, 2497883, 4191363, 7493649, 22480947, 27476713, 82430139, 247290417]

約数ペア:

[(1, 247290417), (3, 82430139), (9, 27476713), (11, 22480947), (33, 7493649), (59, 4191363), (99, 2497883), (177, 1397121), (531, 465707), (649, 381033), (1947, 127011), (5841, 42337)]