289553931

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{19139}}^1$

素因数の和:19227

約数の個数: 18

約数和(自身を含む): 428716860

約数和(自身を除く): 139162929

約数列:

[1, 3, 9, 41, 123, 369, 1681, 5043, 15129, 19139, 57417, 172251, 784699, 2354097, 7062291, 32172659, 96517977, 289553931]

約数ペア:

[(1, 289553931), (3, 96517977), (9, 32172659), (41, 7062291), (123, 2354097), (369, 784699), (1681, 172251), (5043, 57417), (15129, 19139)]