2783205

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 4872192

約数和(自身を除く): 2088987

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 487, 635, 1143, 1461, 1905, 2435, 4383, 5715, 7305, 21915, 61849, 185547, 309245, 556641, 927735, 2783205]

約数ペア:

[(1, 2783205), (3, 927735), (5, 556641), (9, 309245), (15, 185547), (45, 61849), (127, 21915), (381, 7305), (487, 5715), (635, 4383), (1143, 2435), (1461, 1905)]