16137121

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 40

約数和(自身を含む): 22587264

約数和(自身を除く): 6450143

約数列:

[1, 7, 11, 13, 47, 49, 77, 91, 143, 329, 343, 517, 539, 611, 637, 1001, 2303, 2401, 3619, 3773, 4277, 4459, 6721, 7007, 16121, 25333, 26411, 29939, 31213, 47047, 49049, 112847, 177331, 209573, 329329, 343343, 1241317, 1467011, 2305303, 16137121]

約数ペア:

[(1, 16137121), (7, 2305303), (11, 1467011), (13, 1241317), (47, 343343), (49, 329329), (77, 209573), (91, 177331), (143, 112847), (329, 49049), (343, 47047), (517, 31213), (539, 29939), (611, 26411), (637, 25333), (1001, 16121), (2303, 7007), (2401, 6721), (3619, 4459), (3773, 4277)]