8138481

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 12536832

約数和(自身を除く): 4398351

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 211, 299, 559, 633, 897, 989, 1677, 2743, 2967, 4853, 8229, 9073, 12857, 14559, 27219, 38571, 63089, 117949, 189267, 208679, 353847, 626037, 2712827, 8138481]

約数ペア:

[(1, 8138481), (3, 2712827), (13, 626037), (23, 353847), (39, 208679), (43, 189267), (69, 117949), (129, 63089), (211, 38571), (299, 27219), (559, 14559), (633, 12857), (897, 9073), (989, 8229), (1677, 4853), (2743, 2967)]