28230027

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1061}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 44068752

約数和(自身を除く): 15838725

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 1061, 1267, 3183, 3801, 7427, 8869, 22281, 26607, 51989, 155967, 192041, 576123, 1344287, 4032861, 9410009, 28230027]

約数ペア:

[(1, 28230027), (3, 9410009), (7, 4032861), (21, 1344287), (49, 576123), (147, 192041), (181, 155967), (543, 51989), (1061, 26607), (1267, 22281), (3183, 8869), (3801, 7427)]