210731521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6791}}^1$

素因数の和:6853

約数の個数: 32

約数和(自身を含む): 292110336

約数和(自身を除く): 81378815

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2387, 2821, 4433, 6791, 31031, 47537, 74701, 88283, 210521, 522907, 617981, 971113, 1473647, 2315731, 2736773, 6797791, 16210117, 19157411, 30104503, 210731521]

約数ペア:

[(1, 210731521), (7, 30104503), (11, 19157411), (13, 16210117), (31, 6797791), (77, 2736773), (91, 2315731), (143, 1473647), (217, 971113), (341, 617981), (403, 522907), (1001, 210521), (2387, 88283), (2821, 74701), (4433, 47537), (6791, 31031)]