28247715

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8599}}^1$

素因数の和:8683

約数の個数: 24

約数和(自身を含む): 49639200

約数和(自身を除く): 21391485

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8599, 25797, 42995, 77391, 128985, 386955, 627727, 1883181, 3138635, 5649543, 9415905, 28247715]

約数ペア:

[(1, 28247715), (3, 9415905), (5, 5649543), (9, 3138635), (15, 1883181), (45, 627727), (73, 386955), (219, 128985), (365, 77391), (657, 42995), (1095, 25797), (3285, 8599)]