398508417

素因数分解:

$3^4\times {\mathrm{1061}}^1\times {\mathrm{4637}}^1$

素因数の和:5710

約数の個数: 20

約数和(自身を含む): 595992276

約数和(自身を除く): 197483859

約数列:

[1, 3, 9, 27, 81, 1061, 3183, 4637, 9549, 13911, 28647, 41733, 85941, 125199, 375597, 4919857, 14759571, 44278713, 132836139, 398508417]

約数ペア:

[(1, 398508417), (3, 132836139), (9, 44278713), (27, 14759571), (81, 4919857), (1061, 375597), (3183, 125199), (4637, 85941), (9549, 41733), (13911, 28647)]