247966593

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^2\times {\mathrm{317}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 381019968

約数和(自身を除く): 133053375

約数列:

[1, 3, 7, 21, 193, 317, 579, 951, 1351, 2219, 4053, 6657, 37249, 61181, 111747, 183543, 260743, 428267, 782229, 1284801, 11807933, 35423799, 82655531, 247966593]

約数ペア:

[(1, 247966593), (3, 82655531), (7, 35423799), (21, 11807933), (193, 1284801), (317, 782229), (579, 428267), (951, 260743), (1351, 183543), (2219, 111747), (4053, 61181), (6657, 37249)]