139747209

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{14821}}^1$

素因数の和:15280

約数の個数: 16

約数和(自身を含む): 213436800

約数和(自身を除く): 73689591

約数列:

[1, 3, 7, 21, 449, 1347, 3143, 9429, 14821, 44463, 103747, 311241, 6654629, 19963887, 46582403, 139747209]

約数ペア:

[(1, 139747209), (3, 46582403), (7, 19963887), (21, 6654629), (449, 311241), (1347, 103747), (3143, 44463), (9429, 14821)]