28805571

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{577}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 43766160

約数和(自身を除く): 14960589

約数列:

[1, 3, 9, 27, 43, 129, 387, 577, 1161, 1731, 1849, 5193, 5547, 15579, 16641, 24811, 49923, 74433, 223299, 669897, 1066873, 3200619, 9601857, 28805571]

約数ペア:

[(1, 28805571), (3, 9601857), (9, 3200619), (27, 1066873), (43, 669897), (129, 223299), (387, 74433), (577, 49923), (1161, 24811), (1731, 16641), (1849, 15579), (5193, 5547)]