28699155

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5851}}^1$

素因数の和:5971

約数の個数: 24

約数和(自身を含む): 50210160

約数和(自身を除く): 21511005

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 5851, 17553, 29255, 52659, 87765, 263295, 637759, 1913277, 3188795, 5739831, 9566385, 28699155]

約数ペア:

[(1, 28699155), (3, 9566385), (5, 5739831), (9, 3188795), (15, 1913277), (45, 637759), (109, 263295), (327, 87765), (545, 52659), (981, 29255), (1635, 17553), (4905, 5851)]