31849623

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 49930608

約数和(自身を除く): 18080985

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 1987, 5343, 5961, 16029, 17883, 25831, 77493, 232479, 272219, 816657, 2449971, 3538847, 10616541, 31849623]

約数ペア:

[(1, 31849623), (3, 10616541), (9, 3538847), (13, 2449971), (39, 816657), (117, 272219), (137, 232479), (411, 77493), (1233, 25831), (1781, 17883), (1987, 16029), (5343, 5961)]