31625217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1973}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 49578984

約数和(自身を除く): 17953767

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 1973, 5343, 5919, 16029, 17757, 25649, 76947, 230841, 270301, 810903, 2432709, 3513913, 10541739, 31625217]

約数ペア:

[(1, 31625217), (3, 10541739), (9, 3513913), (13, 2432709), (39, 810903), (117, 270301), (137, 230841), (411, 76947), (1233, 25649), (1781, 17757), (1973, 16029), (5343, 5919)]