26040447

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18911}}^1$

素因数の和:18940

約数の個数: 20

約数和(自身を含む): 41190336

約数和(自身を除く): 15149889

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18911, 56733, 170199, 321487, 510597, 964461, 1531791, 2893383, 8680149, 26040447]

約数ペア:

[(1, 26040447), (3, 8680149), (9, 2893383), (17, 1531791), (27, 964461), (51, 510597), (81, 321487), (153, 170199), (459, 56733), (1377, 18911)]