15730689

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 25297920

約数和(自身を除く): 9567231

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 71, 169, 213, 247, 299, 437, 507, 741, 897, 923, 1311, 1349, 1633, 2769, 3211, 3887, 4047, 4899, 5681, 9633, 11661, 11999, 17043, 17537, 21229, 31027, 35997, 52611, 63687, 73853, 93081, 221559, 227981, 275977, 403351, 683943, 827931, 1210053, 5243563, 15730689]

約数ペア:

[(1, 15730689), (3, 5243563), (13, 1210053), (19, 827931), (23, 683943), (39, 403351), (57, 275977), (69, 227981), (71, 221559), (169, 93081), (213, 73853), (247, 63687), (299, 52611), (437, 35997), (507, 31027), (741, 21229), (897, 17537), (923, 17043), (1311, 11999), (1349, 11661), (1633, 9633), (2769, 5681), (3211, 4899), (3887, 4047)]