31485279

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2339}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 48072960

約数和(自身を除く): 16587681

約数列:

[1, 3, 7, 21, 641, 1923, 2339, 4487, 7017, 13461, 16373, 49119, 1499299, 4497897, 10495093, 31485279]

約数ペア:

[(1, 31485279), (3, 10495093), (7, 4497897), (21, 1499299), (641, 49119), (1923, 16373), (2339, 13461), (4487, 7017)]