1997415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 4200768

約数和(自身を除く): 2203353

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 373, 595, 765, 1071, 1119, 1785, 1865, 2611, 3357, 5355, 5595, 6341, 7833, 13055, 16785, 19023, 23499, 31705, 39165, 44387, 57069, 95115, 117495, 133161, 221935, 285345, 399483, 665805, 1997415]

約数ペア:

[(1, 1997415), (3, 665805), (5, 399483), (7, 285345), (9, 221935), (15, 133161), (17, 117495), (21, 95115), (35, 57069), (45, 44387), (51, 39165), (63, 31705), (85, 23499), (105, 19023), (119, 16785), (153, 13055), (255, 7833), (315, 6341), (357, 5595), (373, 5355), (595, 3357), (765, 2611), (1071, 1865), (1119, 1785)]