138791709

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{75967}}^1$

素因数の和:76009

約数の個数: 24

約数和(自身を含む): 237020160

約数和(自身を除く): 98228451

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 75967, 227901, 531769, 683703, 1595307, 2203043, 4785921, 6609129, 15421301, 19827387, 46263903, 138791709]

約数ペア:

[(1, 138791709), (3, 46263903), (7, 19827387), (9, 15421301), (21, 6609129), (29, 4785921), (63, 2203043), (87, 1595307), (203, 683703), (261, 531769), (609, 227901), (1827, 75967)]