213070767

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{111497}}^1$

素因数の和:111527

約数の個数: 24

約数和(自身を含む): 355901616

約数和(自身を除く): 142830849

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 111497, 334491, 780479, 1449461, 2341437, 4348383, 5463353, 10146227, 16390059, 30438681, 71023589, 213070767]

約数ペア:

[(1, 213070767), (3, 71023589), (7, 30438681), (13, 16390059), (21, 10146227), (39, 5463353), (49, 4348383), (91, 2341437), (147, 1449461), (273, 780479), (637, 334491), (1911, 111497)]