85905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:117

約数の個数: 24

約数和(自身を含む): 157248

約数和(自身を除く): 71343

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 83, 115, 207, 249, 345, 415, 747, 1035, 1245, 1909, 3735, 5727, 9545, 17181, 28635, 85905]

約数ペア:

[(1, 85905), (3, 28635), (5, 17181), (9, 9545), (15, 5727), (23, 3735), (45, 1909), (69, 1245), (83, 1035), (115, 747), (207, 415), (249, 345)]