201985749

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{74561}}^1$

素因数の和:74617

約数の個数: 24

約数和(自身を含む): 341195712

約数和(自身を除く): 139209963

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 74561, 223683, 521927, 671049, 1565781, 3206123, 4697343, 9618369, 22442861, 28855107, 67328583, 201985749]

約数ペア:

[(1, 201985749), (3, 67328583), (7, 28855107), (9, 22442861), (21, 9618369), (43, 4697343), (63, 3206123), (129, 1565781), (301, 671049), (387, 521927), (903, 223683), (2709, 74561)]