11719281

素因数分解:

$3^1\times 7^4\times {\mathrm{1627}}^1$

素因数の和:1658

約数の個数: 20

約数和(自身を含む): 18240112

約数和(自身を除く): 6520831

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1627, 2401, 4881, 7203, 11389, 34167, 79723, 239169, 558061, 1674183, 3906427, 11719281]

約数ペア:

[(1, 11719281), (3, 3906427), (7, 1674183), (21, 558061), (49, 239169), (147, 79723), (343, 34167), (1029, 11389), (1627, 7203), (2401, 4881)]