28868229

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1801}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 45259032

約数和(自身を除く): 16390803

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 1801, 5343, 5403, 16029, 16209, 23413, 70239, 210717, 246737, 740211, 2220633, 3207581, 9622743, 28868229]

約数ペア:

[(1, 28868229), (3, 9622743), (9, 3207581), (13, 2220633), (39, 740211), (117, 246737), (137, 210717), (411, 70239), (1233, 23413), (1781, 16209), (1801, 16029), (5343, 5403)]