12642669

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 20384000

約数和(自身を除く): 7741331

約数列:

[1, 3, 9, 13, 27, 39, 117, 181, 199, 351, 543, 597, 1629, 1791, 2353, 2587, 4887, 5373, 7059, 7761, 21177, 23283, 36019, 63531, 69849, 108057, 324171, 468247, 972513, 1404741, 4214223, 12642669]

約数ペア:

[(1, 12642669), (3, 4214223), (9, 1404741), (13, 972513), (27, 468247), (39, 324171), (117, 108057), (181, 69849), (199, 63531), (351, 36019), (543, 23283), (597, 21177), (1629, 7761), (1791, 7059), (2353, 5373), (2587, 4887)]