26366391

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2172

約数の個数: 20

約数和(自身を含む): 39648312

約数和(自身を除く): 13281921

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 1997, 4401, 5991, 13203, 17973, 53919, 161757, 325511, 976533, 2929599, 8788797, 26366391]

約数ペア:

[(1, 26366391), (3, 8788797), (9, 2929599), (27, 976533), (81, 325511), (163, 161757), (489, 53919), (1467, 17973), (1997, 13203), (4401, 5991)]