81161521

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{10343}}^1$

素因数の和:10428

約数の個数: 16

約数和(自身を含む): 99302400

約数和(自身を除く): 18140879

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 10343, 72401, 196517, 610237, 1375619, 4271659, 11594503, 81161521]

約数ペア:

[(1, 81161521), (7, 11594503), (19, 4271659), (59, 1375619), (133, 610237), (413, 196517), (1121, 72401), (7847, 10343)]