81050725

素因数分解:

$5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2351}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 115492608

約数和(自身を除く): 34441883

約数列:

[1, 5, 7, 25, 35, 175, 197, 985, 1379, 2351, 4925, 6895, 11755, 16457, 34475, 58775, 82285, 411425, 463147, 2315735, 3242029, 11578675, 16210145, 81050725]

約数ペア:

[(1, 81050725), (5, 16210145), (7, 11578675), (25, 3242029), (35, 2315735), (175, 463147), (197, 411425), (985, 82285), (1379, 58775), (2351, 34475), (4925, 16457), (6895, 11755)]