15221241

素因数分解:

$3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{673}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 25234560

約数和(自身を除く): 10013319

約数列:

[1, 3, 7, 9, 21, 63, 359, 673, 1077, 2019, 2513, 3231, 4711, 6057, 7539, 14133, 22617, 42399, 241607, 724821, 1691249, 2174463, 5073747, 15221241]

約数ペア:

[(1, 15221241), (3, 5073747), (7, 2174463), (9, 1691249), (21, 724821), (63, 241607), (359, 42399), (673, 22617), (1077, 14133), (2019, 7539), (2513, 6057), (3231, 4711)]