217430871

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{1553}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 340139520

約数和(自身を除く): 122708649

約数列:

[1, 3, 7, 21, 59, 113, 177, 339, 413, 791, 1239, 1553, 2373, 4659, 6667, 10871, 20001, 32613, 46669, 91627, 140007, 175489, 274881, 526467, 641389, 1228423, 1924167, 3685269, 10353851, 31061553, 72476957, 217430871]

約数ペア:

[(1, 217430871), (3, 72476957), (7, 31061553), (21, 10353851), (59, 3685269), (113, 1924167), (177, 1228423), (339, 641389), (413, 526467), (791, 274881), (1239, 175489), (1553, 140007), (2373, 91627), (4659, 46669), (6667, 32613), (10871, 20001)]