20161609923

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{811561}}^1$

素因数の和:811604

約数の個数: 36

約数和(自身を含む): 33861612888

約数和(自身を除く): 13700002965

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 1183, 1911, 3549, 8281, 24843, 811561, 2434683, 5680927, 10550293, 17042781, 31650879, 39766489, 73852051, 119299467, 137153809, 221556153, 411461427, 516964357, 960076663, 1550893071, 2880229989, 6720536641, 20161609923]

約数ペア:

[(1, 20161609923), (3, 6720536641), (7, 2880229989), (13, 1550893071), (21, 960076663), (39, 516964357), (49, 411461427), (91, 221556153), (147, 137153809), (169, 119299467), (273, 73852051), (507, 39766489), (637, 31650879), (1183, 17042781), (1911, 10550293), (3549, 5680927), (8281, 2434683), (24843, 811561)]