668994651

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{25189}}^1$

素因数の和:25435

約数の個数: 24

約数和(自身を含む): 1045284240

約数和(自身を除く): 376289589

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 2043, 2951, 8853, 25189, 26559, 75567, 226701, 327457, 982371, 2947113, 5717903, 17153709, 51461127, 74332739, 222998217, 668994651]

約数ペア:

[(1, 668994651), (3, 222998217), (9, 74332739), (13, 51461127), (39, 17153709), (117, 5717903), (227, 2947113), (681, 982371), (2043, 327457), (2951, 226701), (8853, 75567), (25189, 26559)]