64658919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 99187200

約数和(自身を除く): 34528281

約数列:

[1, 3, 13, 19, 39, 57, 71, 213, 247, 741, 923, 1229, 1349, 2769, 3687, 4047, 15977, 17537, 23351, 47931, 52611, 70053, 87259, 261777, 303563, 910689, 1134367, 1657921, 3403101, 4973763, 21552973, 64658919]

約数ペア:

[(1, 64658919), (3, 21552973), (13, 4973763), (19, 3403101), (39, 1657921), (57, 1134367), (71, 910689), (213, 303563), (247, 261777), (741, 87259), (923, 70053), (1229, 52611), (1349, 47931), (2769, 23351), (3687, 17537), (4047, 15977)]