40855269

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21379}}^1$

素因数の和:21409

約数の個数: 24

約数和(自身を含む): 68244960

約数和(自身を除く): 27389691

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 21379, 64137, 149653, 277927, 448959, 833781, 1047571, 1945489, 3142713, 5836467, 13618423, 40855269]

約数ペア:

[(1, 40855269), (3, 13618423), (7, 5836467), (13, 3142713), (21, 1945489), (39, 1047571), (49, 833781), (91, 448959), (147, 277927), (273, 149653), (637, 64137), (1911, 21379)]