168144431

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{5387}}^1$

素因数の和:5428

約数の個数: 20

約数和(自身を含む): 211285032

約数和(自身を除く): 43140601

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 5387, 31213, 37709, 70031, 263963, 490217, 1847741, 3431519, 12934187, 24020633, 168144431]

約数ペア:

[(1, 168144431), (7, 24020633), (13, 12934187), (49, 3431519), (91, 1847741), (343, 490217), (637, 263963), (2401, 70031), (4459, 37709), (5387, 31213)]