12816795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 21694464

約数和(自身を除く): 8877669

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 641, 645, 1333, 1923, 3205, 3999, 6665, 9615, 19871, 19995, 27563, 59613, 82689, 99355, 137815, 298065, 413445, 854453, 2563359, 4272265, 12816795]

約数ペア:

[(1, 12816795), (3, 4272265), (5, 2563359), (15, 854453), (31, 413445), (43, 298065), (93, 137815), (129, 99355), (155, 82689), (215, 59613), (465, 27563), (641, 19995), (645, 19871), (1333, 9615), (1923, 6665), (3205, 3999)]