28556505

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8693}}^1$

素因数の和:8777

約数の個数: 24

約数和(自身を含む): 50181768

約数和(自身を除く): 21625263

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8693, 26079, 43465, 78237, 130395, 391185, 634589, 1903767, 3172945, 5711301, 9518835, 28556505]

約数ペア:

[(1, 28556505), (3, 9518835), (5, 5711301), (9, 3172945), (15, 1903767), (45, 634589), (73, 391185), (219, 130395), (365, 78237), (657, 43465), (1095, 26079), (3285, 8693)]