28258893

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 44280600

約数和(自身を除く): 16021707

約数列:

[1, 3, 9, 13, 39, 117, 149, 447, 1341, 1621, 1937, 4863, 5811, 14589, 17433, 21073, 63219, 189657, 241529, 724587, 2173761, 3139877, 9419631, 28258893]

約数ペア:

[(1, 28258893), (3, 9419631), (9, 3139877), (13, 2173761), (39, 724587), (117, 241529), (149, 189657), (447, 63219), (1341, 21073), (1621, 17433), (1937, 14589), (4863, 5811)]