81827879

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{13003}}^1$

素因数の和:13070

約数の個数: 16

約数和(自身を含む): 99870720

約数和(自身を除く): 18042841

約数列:

[1, 7, 29, 31, 203, 217, 899, 6293, 13003, 91021, 377087, 403093, 2639609, 2821651, 11689697, 81827879]

約数ペア:

[(1, 81827879), (7, 11689697), (29, 2821651), (31, 2639609), (203, 403093), (217, 377087), (899, 91021), (6293, 13003)]