39939109

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{691}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 47831040

約数和(自身を除く): 7891931

約数列:

[1, 7, 23, 161, 359, 691, 2513, 4837, 8257, 15893, 57799, 111251, 248069, 1736483, 5705587, 39939109]

約数ペア:

[(1, 39939109), (7, 5705587), (23, 1736483), (161, 248069), (359, 111251), (691, 57799), (2513, 15893), (4837, 8257)]