17937369

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3202

約数の個数: 20

約数和(自身を含む): 27181440

約数和(自身を除く): 9244071

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3119, 5751, 9357, 28071, 84213, 221449, 252639, 664347, 1993041, 5979123, 17937369]

約数ペア:

[(1, 17937369), (3, 5979123), (9, 1993041), (27, 664347), (71, 252639), (81, 221449), (213, 84213), (639, 28071), (1917, 9357), (3119, 5751)]