72475081

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 87391040

約数和(自身を除く): 14915959

約数列:

[1, 7, 43, 47, 109, 301, 329, 763, 2021, 2209, 4687, 5123, 14147, 15463, 32809, 35861, 94987, 220289, 240781, 664909, 1542023, 1685467, 10353583, 72475081]

約数ペア:

[(1, 72475081), (7, 10353583), (43, 1685467), (47, 1542023), (109, 664909), (301, 240781), (329, 220289), (763, 94987), (2021, 35861), (2209, 32809), (4687, 15463), (5123, 14147)]