28574889

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{6703}}^1$

素因数の和:6749

約数の個数: 24

約数和(自身を含む): 45855360

約数和(自身を除く): 17280471

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 6703, 20109, 46921, 140763, 194387, 328447, 583161, 985341, 1360709, 4082127, 9524963, 28574889]

約数ペア:

[(1, 28574889), (3, 9524963), (7, 4082127), (21, 1360709), (29, 985341), (49, 583161), (87, 328447), (147, 194387), (203, 140763), (609, 46921), (1421, 20109), (4263, 6703)]