13901121

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 23783760

約数和(自身を除く): 9882639

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 241, 261, 377, 493, 663, 723, 1131, 1479, 1989, 2169, 3133, 3393, 4097, 4437, 6409, 6989, 9399, 12291, 19227, 20967, 28197, 36873, 53261, 57681, 62901, 90857, 118813, 159783, 272571, 356439, 479349, 817713, 1069317, 1544569, 4633707, 13901121]

約数ペア:

[(1, 13901121), (3, 4633707), (9, 1544569), (13, 1069317), (17, 817713), (29, 479349), (39, 356439), (51, 272571), (87, 159783), (117, 118813), (153, 90857), (221, 62901), (241, 57681), (261, 53261), (377, 36873), (493, 28197), (663, 20967), (723, 19227), (1131, 12291), (1479, 9399), (1989, 6989), (2169, 6409), (3133, 4437), (3393, 4097)]