131256375

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{8537}}^1$

素因数の和:8596

約数の個数: 32

約数和(自身を含む): 223763904

約数和(自身を除く): 92507529

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 1025, 3075, 5125, 8537, 15375, 25611, 42685, 128055, 213425, 350017, 640275, 1050051, 1067125, 1750085, 3201375, 5250255, 8750425, 26251275, 43752125, 131256375]

約数ペア:

[(1, 131256375), (3, 43752125), (5, 26251275), (15, 8750425), (25, 5250255), (41, 3201375), (75, 1750085), (123, 1067125), (125, 1050051), (205, 640275), (375, 350017), (615, 213425), (1025, 128055), (3075, 42685), (5125, 25611), (8537, 15375)]