220459077

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{17789}}^1$

素因数の和:17824

約数の個数: 28

約数和(自身を含む): 350000460

約数和(自身を除く): 129541383

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 12393, 17789, 53367, 160101, 302413, 480303, 907239, 1440909, 2721717, 4322727, 8165151, 12968181, 24495453, 73486359, 220459077]

約数ペア:

[(1, 220459077), (3, 73486359), (9, 24495453), (17, 12968181), (27, 8165151), (51, 4322727), (81, 2721717), (153, 1440909), (243, 907239), (459, 480303), (729, 302413), (1377, 160101), (4131, 53367), (12393, 17789)]