12975651

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 21411000

約数和(自身を除く): 8435349

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 449, 507, 741, 1347, 1521, 2223, 3211, 4041, 5837, 8531, 9633, 17511, 25593, 28899, 52533, 75881, 76779, 110903, 227643, 332709, 682929, 998127, 1441739, 4325217, 12975651]

約数ペア:

[(1, 12975651), (3, 4325217), (9, 1441739), (13, 998127), (19, 682929), (39, 332709), (57, 227643), (117, 110903), (169, 76779), (171, 75881), (247, 52533), (449, 28899), (507, 25593), (741, 17511), (1347, 9633), (1521, 8531), (2223, 5837), (3211, 4041)]