278045391

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1\times {\mathrm{1447}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 402775680

約数和(自身を除く): 124730289

約数列:

[1, 3, 13, 39, 169, 379, 507, 1137, 1447, 4341, 4927, 14781, 18811, 56433, 64051, 192153, 244543, 548413, 733629, 1645239, 7129369, 21388107, 92681797, 278045391]

約数ペア:

[(1, 278045391), (3, 92681797), (13, 21388107), (39, 7129369), (169, 1645239), (379, 733629), (507, 548413), (1137, 244543), (1447, 192153), (4341, 64051), (4927, 56433), (14781, 18811)]