290438127

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{28283}}^1$

素因数の和:28459

約数の個数: 24

約数和(自身を含む): 482411904

約数和(自身を除く): 191973777

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 10269, 28283, 84849, 197981, 254547, 593943, 1781829, 4610129, 13830387, 32270903, 41491161, 96812709, 290438127]

約数ペア:

[(1, 290438127), (3, 96812709), (7, 41491161), (9, 32270903), (21, 13830387), (63, 4610129), (163, 1781829), (489, 593943), (1141, 254547), (1467, 197981), (3423, 84849), (10269, 28283)]