216252171

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 317351424

約数和(自身を除く): 101099253

約数列:

[1, 3, 9, 127, 137, 381, 411, 1143, 1233, 1381, 4143, 12429, 17399, 52197, 156591, 175387, 189197, 526161, 567591, 1578483, 1702773, 24028019, 72084057, 216252171]

約数ペア:

[(1, 216252171), (3, 72084057), (9, 24028019), (127, 1702773), (137, 1578483), (381, 567591), (411, 526161), (1143, 189197), (1233, 175387), (1381, 156591), (4143, 52197), (12429, 17399)]