40894389

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{1613}}^1$

素因数の和:1938

約数の個数: 20

約数和(自身を含む): 61322316

約数和(自身を除く): 20427927

約数列:

[1, 3, 9, 27, 81, 313, 939, 1613, 2817, 4839, 8451, 14517, 25353, 43551, 130653, 504869, 1514607, 4543821, 13631463, 40894389]

約数ペア:

[(1, 40894389), (3, 13631463), (9, 4543821), (27, 1514607), (81, 504869), (313, 130653), (939, 43551), (1613, 25353), (2817, 14517), (4839, 8451)]