54187721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 69691392

約数和(自身を除く): 15503671

約数列:

[1, 7, 17, 31, 37, 119, 217, 259, 397, 527, 629, 1147, 2779, 3689, 4403, 6749, 8029, 12307, 14689, 19499, 47243, 86149, 102823, 136493, 209219, 249713, 455359, 1464533, 1747991, 3187513, 7741103, 54187721]

約数ペア:

[(1, 54187721), (7, 7741103), (17, 3187513), (31, 1747991), (37, 1464533), (119, 455359), (217, 249713), (259, 209219), (397, 136493), (527, 102823), (629, 86149), (1147, 47243), (2779, 19499), (3689, 14689), (4403, 12307), (6749, 8029)]