51078321

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12101}}^1$

素因数の和:12181

約数の個数: 24

約数和(自身を含む): 85585344

約数和(自身を除く): 34507023

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 12101, 36303, 84707, 108909, 254121, 762363, 810767, 2432301, 5675369, 7296903, 17026107, 51078321]

約数ペア:

[(1, 51078321), (3, 17026107), (7, 7296903), (9, 5675369), (21, 2432301), (63, 810767), (67, 762363), (201, 254121), (469, 108909), (603, 84707), (1407, 36303), (4221, 12101)]