28143549

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4423}}^1$

素因数の和:4537

約数の個数: 24

約数和(自身を含む): 46929792

約数和(自身を除く): 18786243

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 4423, 6363, 13269, 30961, 39807, 92883, 278649, 446723, 1340169, 3127061, 4020507, 9381183, 28143549]

約数ペア:

[(1, 28143549), (3, 9381183), (7, 4020507), (9, 3127061), (21, 1340169), (63, 446723), (101, 278649), (303, 92883), (707, 39807), (909, 30961), (2121, 13269), (4423, 6363)]