18448209

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{311}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 29702400

約数和(自身を除く): 11254191

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 311, 351, 507, 933, 1521, 2197, 2799, 4043, 4563, 6591, 8397, 12129, 19773, 36387, 52559, 59319, 109161, 157677, 473031, 683267, 1419093, 2049801, 6149403, 18448209]

約数ペア:

[(1, 18448209), (3, 6149403), (9, 2049801), (13, 1419093), (27, 683267), (39, 473031), (117, 157677), (169, 109161), (311, 59319), (351, 52559), (507, 36387), (933, 19773), (1521, 12129), (2197, 8397), (2799, 6591), (4043, 4563)]