7855281

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1861}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 13168064

約数和(自身を除く): 5312783

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 1861, 4221, 5583, 13027, 16749, 39081, 117243, 124687, 374061, 872809, 1122183, 2618427, 7855281]

約数ペア:

[(1, 7855281), (3, 2618427), (7, 1122183), (9, 872809), (21, 374061), (63, 124687), (67, 117243), (201, 39081), (469, 16749), (603, 13027), (1407, 5583), (1861, 4221)]