9956947

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 40

約数和(自身を含む): 14117040

約数和(自身を除く): 4160093

約数列:

[1, 7, 11, 13, 29, 49, 77, 91, 143, 203, 319, 343, 377, 539, 637, 1001, 1421, 2233, 2401, 2639, 3773, 4147, 4459, 7007, 9947, 15631, 18473, 26411, 29029, 31213, 49049, 69629, 109417, 129311, 203203, 343343, 765919, 905177, 1422421, 9956947]

約数ペア:

[(1, 9956947), (7, 1422421), (11, 905177), (13, 765919), (29, 343343), (49, 203203), (77, 129311), (91, 109417), (143, 69629), (203, 49049), (319, 31213), (343, 29029), (377, 26411), (539, 18473), (637, 15631), (1001, 9947), (1421, 7007), (2233, 4459), (2401, 4147), (2639, 3773)]