2600991

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 20

約数和(自身を含む): 3929112

約数和(自身を除く): 1328121

約数列:

[1, 3, 9, 27, 81, 163, 197, 489, 591, 1467, 1773, 4401, 5319, 13203, 15957, 32111, 96333, 288999, 866997, 2600991]

約数ペア:

[(1, 2600991), (3, 866997), (9, 288999), (27, 96333), (81, 32111), (163, 15957), (197, 13203), (489, 5319), (591, 4401), (1467, 1773)]