28450875

素因数分解:

$3^1\times 5^3\times {\mathrm{75869}}^1$

素因数の和:75887

約数の個数: 16

約数和(自身を含む): 47342880

約数和(自身を除く): 18892005

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 75869, 227607, 379345, 1138035, 1896725, 5690175, 9483625, 28450875]

約数ペア:

[(1, 28450875), (3, 9483625), (5, 5690175), (15, 1896725), (25, 1138035), (75, 379345), (125, 227607), (375, 75869)]