397008621

素因数分解:

$3^4\times {\mathrm{2003}}^1\times {\mathrm{2447}}^1$

素因数の和:4462

約数の個数: 20

約数和(自身を含む): 593600832

約数和(自身を除く): 196592211

約数列:

[1, 3, 9, 27, 81, 2003, 2447, 6009, 7341, 18027, 22023, 54081, 66069, 162243, 198207, 4901341, 14704023, 44112069, 132336207, 397008621]

約数ペア:

[(1, 397008621), (3, 132336207), (9, 44112069), (27, 14704023), (81, 4901341), (2003, 198207), (2447, 162243), (6009, 66069), (7341, 54081), (18027, 22023)]