17979651

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3392

約数の個数: 20

約数和(自身を含む): 27267592

約数和(自身を除く): 9287941

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3313, 5427, 9939, 29817, 89451, 221971, 268353, 665913, 1997739, 5993217, 17979651]

約数ペア:

[(1, 17979651), (3, 5993217), (9, 1997739), (27, 665913), (67, 268353), (81, 221971), (201, 89451), (603, 29817), (1809, 9939), (3313, 5427)]