16957431

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7219}}^1$

素因数の和:7260

約数の個数: 20

約数和(自身を含む): 26208600

約数和(自身を除く): 9251169

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7219, 21657, 64971, 194913, 209351, 584739, 628053, 1884159, 5652477, 16957431]

約数ペア:

[(1, 16957431), (3, 5652477), (9, 1884159), (27, 628053), (29, 584739), (81, 209351), (87, 194913), (261, 64971), (783, 21657), (2349, 7219)]