28070025

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2857}}^1$

素因数の和:3001

約数の個数: 24

約数和(自身を含む): 46779744

約数和(自身を除く): 18709719

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 2857, 3275, 8571, 9825, 14285, 42855, 71425, 214275, 374267, 1122801, 1871335, 5614005, 9356675, 28070025]

約数ペア:

[(1, 28070025), (3, 9356675), (5, 5614005), (15, 1871335), (25, 1122801), (75, 374267), (131, 214275), (393, 71425), (655, 42855), (1965, 14285), (2857, 9825), (3275, 8571)]