12857481

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5233}}^1$

素因数の和:5262

約数の個数: 32

約数和(自身を含む): 23448320

約数和(自身を除く): 10590839

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 5233, 15699, 36631, 47097, 68029, 109893, 141291, 204087, 329679, 476203, 612261, 989037, 1428609, 1836783, 4285827, 12857481]

約数ペア:

[(1, 12857481), (3, 4285827), (7, 1836783), (9, 1428609), (13, 989037), (21, 612261), (27, 476203), (39, 329679), (63, 204087), (91, 141291), (117, 109893), (189, 68029), (273, 47097), (351, 36631), (819, 15699), (2457, 5233)]