40085361

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{2591}}^1$

素因数の和:2794

約数の個数: 20

約数和(自身を含む): 60217344

約数和(自身を除く): 20131983

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 2591, 5157, 7773, 15471, 23319, 69957, 209871, 494881, 1484643, 4453929, 13361787, 40085361]

約数ペア:

[(1, 40085361), (3, 13361787), (9, 4453929), (27, 1484643), (81, 494881), (191, 209871), (573, 69957), (1719, 23319), (2591, 15471), (5157, 7773)]