2109877

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 2757888

約数和(自身を除く): 648011

約数列:

[1, 7, 11, 47, 53, 77, 121, 329, 371, 517, 583, 847, 2491, 3619, 4081, 5687, 6413, 17437, 27401, 39809, 44891, 191807, 301411, 2109877]

約数ペア:

[(1, 2109877), (7, 301411), (11, 191807), (47, 44891), (53, 39809), (77, 27401), (121, 17437), (329, 6413), (371, 5687), (517, 4081), (583, 3619), (847, 2491)]