205809741

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{28549}}^1$

素因数の和:28650

約数の個数: 20

約数和(自身を含む): 310909500

約数和(自身を除く): 105099759

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 28549, 85647, 256941, 770823, 2312469, 2540861, 7622583, 22867749, 68603247, 205809741]

約数ペア:

[(1, 205809741), (3, 68603247), (9, 22867749), (27, 7622583), (81, 2540861), (89, 2312469), (267, 770823), (801, 256941), (2403, 85647), (7209, 28549)]