16128375

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 27518400

約数和(自身を除く): 11390025

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 1025, 1049, 3075, 3147, 5125, 5245, 15375, 15735, 26225, 43009, 78675, 129027, 131125, 215045, 393375, 645135, 1075225, 3225675, 5376125, 16128375]

約数ペア:

[(1, 16128375), (3, 5376125), (5, 3225675), (15, 1075225), (25, 645135), (41, 393375), (75, 215045), (123, 131125), (125, 129027), (205, 78675), (375, 43009), (615, 26225), (1025, 15735), (1049, 15375), (3075, 5245), (3147, 5125)]