28516089

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11411}}^1$

素因数の和:11445

約数の個数: 24

約数和(自身を含む): 46834848

約数和(自身を除く): 18318759

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11411, 34233, 79877, 193987, 239631, 559139, 581961, 1357909, 1677417, 4073727, 9505363, 28516089]

約数ペア:

[(1, 28516089), (3, 9505363), (7, 4073727), (17, 1677417), (21, 1357909), (49, 581961), (51, 559139), (119, 239631), (147, 193987), (357, 79877), (833, 34233), (2499, 11411)]