7852221

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7482

約数の個数: 20

約数和(自身を含む): 12633852

約数和(自身を除く): 4781631

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 7457, 22371, 67113, 96941, 201339, 290823, 604017, 872469, 2617407, 7852221]

約数ペア:

[(1, 7852221), (3, 2617407), (9, 872469), (13, 604017), (27, 290823), (39, 201339), (81, 96941), (117, 67113), (351, 22371), (1053, 7457)]