129371977

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 149755392

約数和(自身を除く): 20383415

約数列:

[1, 7, 137, 313, 431, 959, 2191, 3017, 42881, 59047, 134903, 300167, 413329, 944321, 18481711, 129371977]

約数ペア:

[(1, 129371977), (7, 18481711), (137, 944321), (313, 413329), (431, 300167), (959, 134903), (2191, 59047), (3017, 42881)]