90020919

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 128770560

約数和(自身を除く): 38749641

約数列:

[1, 3, 23, 69, 89, 107, 137, 267, 321, 411, 2047, 2461, 3151, 6141, 7383, 9453, 9523, 12193, 14659, 28569, 36579, 43977, 219029, 280439, 337157, 657087, 841317, 1011471, 1304651, 3913953, 30006973, 90020919]

約数ペア:

[(1, 90020919), (3, 30006973), (23, 3913953), (69, 1304651), (89, 1011471), (107, 841317), (137, 657087), (267, 337157), (321, 280439), (411, 219029), (2047, 43977), (2461, 36579), (3151, 28569), (6141, 14659), (7383, 12193), (9453, 9523)]