13521027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 20805120

約数和(自身を除く): 7284093

約数列:

[1, 3, 13, 19, 39, 57, 71, 213, 247, 257, 741, 771, 923, 1349, 2769, 3341, 4047, 4883, 10023, 14649, 17537, 18247, 52611, 54741, 63479, 190437, 237211, 346693, 711633, 1040079, 4507009, 13521027]

約数ペア:

[(1, 13521027), (3, 4507009), (13, 1040079), (19, 711633), (39, 346693), (57, 237211), (71, 190437), (213, 63479), (247, 54741), (257, 52611), (741, 18247), (771, 17537), (923, 14649), (1349, 10023), (2769, 4883), (3341, 4047)]