78804561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 118654848

約数和(自身を除く): 39850287

約数列:

[1, 3, 11, 33, 37, 111, 233, 277, 407, 699, 831, 1221, 2563, 3047, 7689, 8621, 9141, 10249, 25863, 30747, 64541, 94831, 112739, 193623, 284493, 338217, 709951, 2129853, 2388017, 7164051, 26268187, 78804561]

約数ペア:

[(1, 78804561), (3, 26268187), (11, 7164051), (33, 2388017), (37, 2129853), (111, 709951), (233, 338217), (277, 284493), (407, 193623), (699, 112739), (831, 94831), (1221, 64541), (2563, 30747), (3047, 25863), (7689, 10249), (8621, 9141)]