12693213

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 21461440

約数和(自身を除く): 8768227

約数列:

[1, 3, 9, 13, 27, 29, 39, 43, 87, 117, 129, 261, 351, 377, 387, 559, 783, 841, 1131, 1161, 1247, 1677, 2523, 3393, 3741, 5031, 7569, 10179, 10933, 11223, 15093, 16211, 22707, 32799, 33669, 36163, 48633, 98397, 108489, 145899, 295191, 325467, 437697, 470119, 976401, 1410357, 4231071, 12693213]

約数ペア:

[(1, 12693213), (3, 4231071), (9, 1410357), (13, 976401), (27, 470119), (29, 437697), (39, 325467), (43, 295191), (87, 145899), (117, 108489), (129, 98397), (261, 48633), (351, 36163), (377, 33669), (387, 32799), (559, 22707), (783, 16211), (841, 15093), (1131, 11223), (1161, 10933), (1247, 10179), (1677, 7569), (2523, 5031), (3393, 3741)]