11857209

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 19649280

約数和(自身を除く): 7792071

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 257, 273, 507, 771, 1183, 1799, 2197, 3341, 3549, 5397, 6591, 10023, 15379, 23387, 43433, 46137, 70161, 130299, 304031, 564629, 912093, 1693887, 3952403, 11857209]

約数ペア:

[(1, 11857209), (3, 3952403), (7, 1693887), (13, 912093), (21, 564629), (39, 304031), (91, 130299), (169, 70161), (257, 46137), (273, 43433), (507, 23387), (771, 15379), (1183, 10023), (1799, 6591), (2197, 5397), (3341, 3549)]