26390691

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7577}}^1$

素因数の和:7632

約数の個数: 20

約数和(自身を含む): 40345272

約数和(自身を除く): 13954581

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7577, 22731, 68193, 204579, 325811, 613737, 977433, 2932299, 8796897, 26390691]

約数ペア:

[(1, 26390691), (3, 8796897), (9, 2932299), (27, 977433), (43, 613737), (81, 325811), (129, 204579), (387, 68193), (1161, 22731), (3483, 7577)]