1620240957

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{12211}}^1$

素因数の和:12881

約数の個数: 24

約数和(自身を含む): 2446112448

約数和(自身を除く): 825871491

約数列:

[1, 3, 9, 23, 69, 207, 641, 1923, 5769, 12211, 14743, 36633, 44229, 109899, 132687, 280853, 842559, 2527677, 7827251, 23481753, 70445259, 180026773, 540080319, 1620240957]

約数ペア:

[(1, 1620240957), (3, 540080319), (9, 180026773), (23, 70445259), (69, 23481753), (207, 7827251), (641, 2527677), (1923, 842559), (5769, 280853), (12211, 132687), (14743, 109899), (36633, 44229)]