12857115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 8915685

約数列:

[1, 3, 5, 15, 23, 69, 83, 115, 249, 345, 415, 449, 1245, 1347, 1909, 2245, 5727, 6735, 9545, 10327, 28635, 30981, 37267, 51635, 111801, 154905, 186335, 559005, 857141, 2571423, 4285705, 12857115]

約数ペア:

[(1, 12857115), (3, 4285705), (5, 2571423), (15, 857141), (23, 559005), (69, 186335), (83, 154905), (115, 111801), (249, 51635), (345, 37267), (415, 30981), (449, 28635), (1245, 10327), (1347, 9545), (1909, 6735), (2245, 5727)]