12011909

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 15273720

約数和(自身を除く): 3261811

約数列:

[1, 7, 13, 49, 91, 109, 173, 637, 763, 1211, 1417, 2249, 5341, 8477, 9919, 15743, 18857, 69433, 110201, 131999, 245141, 923993, 1715987, 12011909]

約数ペア:

[(1, 12011909), (7, 1715987), (13, 923993), (49, 245141), (91, 131999), (109, 110201), (173, 69433), (637, 18857), (763, 15743), (1211, 9919), (1417, 8477), (2249, 5341)]