13211343

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{773}}^1$

素因数の和:996

約数の個数: 20

約数和(自身を含む): 19854648

約数和(自身を除く): 6643305

約数列:

[1, 3, 9, 27, 81, 211, 633, 773, 1899, 2319, 5697, 6957, 17091, 20871, 62613, 163103, 489309, 1467927, 4403781, 13211343]

約数ペア:

[(1, 13211343), (3, 4403781), (9, 1467927), (27, 489309), (81, 163103), (211, 62613), (633, 20871), (773, 17091), (1899, 6957), (2319, 5697)]