12994917

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 20080224

約数和(自身を除く): 7085307

約数列:

[1, 3, 13, 19, 39, 57, 71, 169, 213, 247, 361, 507, 741, 923, 1083, 1349, 2769, 3211, 4047, 4693, 9633, 11999, 14079, 17537, 25631, 35997, 52611, 61009, 76893, 183027, 227981, 333203, 683943, 999609, 4331639, 12994917]

約数ペア:

[(1, 12994917), (3, 4331639), (13, 999609), (19, 683943), (39, 333203), (57, 227981), (71, 183027), (169, 76893), (213, 61009), (247, 52611), (361, 35997), (507, 25631), (741, 17537), (923, 14079), (1083, 11999), (1349, 9633), (2769, 4693), (3211, 4047)]