7387767

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 20

約数和(自身を含む): 11112640

約数和(自身を除く): 3724873

約数列:

[1, 3, 9, 27, 81, 223, 409, 669, 1227, 2007, 3681, 6021, 11043, 18063, 33129, 91207, 273621, 820863, 2462589, 7387767]

約数ペア:

[(1, 7387767), (3, 2462589), (9, 820863), (27, 273621), (81, 91207), (223, 33129), (409, 18063), (669, 11043), (1227, 6021), (2007, 3681)]