473445987

素因数分解:

$3^1\times 7^4\times {\mathrm{65729}}^1$

素因数の和:65760

約数の個数: 20

約数和(自身を含む): 736438920

約数和(自身を除く): 262992933

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 65729, 197187, 460103, 1380309, 3220721, 9662163, 22545047, 67635141, 157815329, 473445987]

約数ペア:

[(1, 473445987), (3, 157815329), (7, 67635141), (21, 22545047), (49, 9662163), (147, 3220721), (343, 1380309), (1029, 460103), (2401, 197187), (7203, 65729)]