505359

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:396

約数の個数: 20

約数和(自身を含む): 801504

約数和(自身を除く): 296145

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 367, 459, 1101, 1377, 3303, 6239, 9909, 18717, 29727, 56151, 168453, 505359]

約数ペア:

[(1, 505359), (3, 168453), (9, 56151), (17, 29727), (27, 18717), (51, 9909), (81, 6239), (153, 3303), (367, 1377), (459, 1101)]