15201207

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2389}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 25353120

約数和(自身を除く): 10151913

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 2389, 6363, 7167, 16723, 21501, 50169, 150507, 241289, 723867, 1689023, 2171601, 5067069, 15201207]

約数ペア:

[(1, 15201207), (3, 5067069), (7, 2171601), (9, 1689023), (21, 723867), (63, 241289), (101, 150507), (303, 50169), (707, 21501), (909, 16723), (2121, 7167), (2389, 6363)]