2799909

素因数分解:

$3^2\times 7^3\times {\mathrm{907}}^1$

素因数の和:934

約数の個数: 24

約数和(自身を含む): 4721600

約数和(自身を除く): 1921691

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 907, 1029, 2721, 3087, 6349, 8163, 19047, 44443, 57141, 133329, 311101, 399987, 933303, 2799909]

約数ペア:

[(1, 2799909), (3, 933303), (7, 399987), (9, 311101), (21, 133329), (49, 57141), (63, 44443), (147, 19047), (343, 8163), (441, 6349), (907, 3087), (1029, 2721)]