31081449

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2309}}^1$

素因数の和:2960

約数の個数: 16

約数和(自身を含む): 47456640

約数和(自身を除く): 16375191

約数列:

[1, 3, 7, 21, 641, 1923, 2309, 4487, 6927, 13461, 16163, 48489, 1480069, 4440207, 10360483, 31081449]

約数ペア:

[(1, 31081449), (3, 10360483), (7, 4440207), (21, 1480069), (641, 48489), (1923, 16163), (2309, 13461), (4487, 6927)]