39665943

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{7309}}^1$

素因数の和:7388

約数の個数: 20

約数和(自身を含む): 60146680

約数和(自身を除く): 20480737

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 7309, 21927, 65781, 197343, 489703, 592029, 1469109, 4407327, 13221981, 39665943]

約数ペア:

[(1, 39665943), (3, 13221981), (9, 4407327), (27, 1469109), (67, 592029), (81, 489703), (201, 197343), (603, 65781), (1809, 21927), (5427, 7309)]