394098981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{20389}}^1$

素因数の和:20788

約数の個数: 16

約数和(自身を含む): 557870400

約数和(自身を除く): 163771419

約数列:

[1, 3, 17, 51, 379, 1137, 6443, 19329, 20389, 61167, 346613, 1039839, 7727431, 23182293, 131366327, 394098981]

約数ペア:

[(1, 394098981), (3, 131366327), (17, 23182293), (51, 7727431), (379, 1039839), (1137, 346613), (6443, 61167), (19329, 20389)]