17778933

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2131}}^1$

素因数の和:2246

約数の個数: 20

約数和(自身を含む): 26829088

約数和(自身を除く): 9050155

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2131, 2781, 6393, 8343, 19179, 57537, 172611, 219493, 658479, 1975437, 5926311, 17778933]

約数ペア:

[(1, 17778933), (3, 5926311), (9, 1975437), (27, 658479), (81, 219493), (103, 172611), (309, 57537), (927, 19179), (2131, 8343), (2781, 6393)]