28008765

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7499}}^1$

素因数の和:7593

約数の個数: 24

約数和(自身を含む): 49140000

約数和(自身を除く): 21131235

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 7499, 22497, 37495, 67491, 112485, 337455, 622417, 1867251, 3112085, 5601753, 9336255, 28008765]

約数ペア:

[(1, 28008765), (3, 9336255), (5, 5601753), (9, 3112085), (15, 1867251), (45, 622417), (83, 337455), (249, 112485), (415, 67491), (747, 37495), (1245, 22497), (3735, 7499)]