6720489

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2902

約数の個数: 20

約数和(自身を含む): 10389060

約数和(自身を除く): 3668571

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 2861, 8583, 25749, 77247, 82969, 231741, 248907, 746721, 2240163, 6720489]

約数ペア:

[(1, 6720489), (3, 2240163), (9, 746721), (27, 248907), (29, 231741), (81, 82969), (87, 77247), (261, 25749), (783, 8583), (2349, 2861)]