15380885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5503}}^1$

素因数の和:5564

約数の個数: 16

約数和(自身を含む): 20342784

約数和(自身を除く): 4961899

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 5503, 27515, 71539, 236629, 357695, 1183145, 3076177, 15380885]

約数ペア:

[(1, 15380885), (5, 3076177), (13, 1183145), (43, 357695), (65, 236629), (215, 71539), (559, 27515), (2795, 5503)]