849121

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 1123584

約数和(自身を除く): 274463

約数列:

[1, 7, 13, 31, 43, 49, 91, 217, 301, 403, 559, 637, 1333, 1519, 2107, 2821, 3913, 9331, 17329, 19747, 27391, 65317, 121303, 849121]

約数ペア:

[(1, 849121), (7, 121303), (13, 65317), (31, 27391), (43, 19747), (49, 17329), (91, 9331), (217, 3913), (301, 2821), (403, 2107), (559, 1519), (637, 1333)]