12810609

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 23091840

約数和(自身を除く): 10281231

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 421, 441, 483, 621, 1127, 1263, 1323, 1449, 2947, 3381, 3789, 4347, 8841, 9683, 10143, 11367, 20629, 26523, 29049, 30429, 61887, 67781, 79569, 87147, 185661, 203343, 261441, 474467, 556983, 610029, 1423401, 1830087, 4270203, 12810609]

約数ペア:

[(1, 12810609), (3, 4270203), (7, 1830087), (9, 1423401), (21, 610029), (23, 556983), (27, 474467), (49, 261441), (63, 203343), (69, 185661), (147, 87147), (161, 79569), (189, 67781), (207, 61887), (421, 30429), (441, 29049), (483, 26523), (621, 20629), (1127, 11367), (1263, 10143), (1323, 9683), (1449, 8841), (2947, 4347), (3381, 3789)]