28186875

素因数分解:

$3^2\times 5^4\times {\mathrm{5011}}^1$

素因数の和:5037

約数の個数: 30

約数和(自身を含む): 50886836

約数和(自身を除く): 22699961

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5011, 5625, 15033, 25055, 45099, 75165, 125275, 225495, 375825, 626375, 1127475, 1879125, 3131875, 5637375, 9395625, 28186875]

約数ペア:

[(1, 28186875), (3, 9395625), (5, 5637375), (9, 3131875), (15, 1879125), (25, 1127475), (45, 626375), (75, 375825), (125, 225495), (225, 125275), (375, 75165), (625, 45099), (1125, 25055), (1875, 15033), (5011, 5625)]