31396491

素因数分解:

$3^4\times 7^1\times {\mathrm{55373}}^1$

素因数の和:55392

約数の個数: 20

約数和(自身を含む): 53602032

約数和(自身を除く): 22205541

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55373, 166119, 387611, 498357, 1162833, 1495071, 3488499, 4485213, 10465497, 31396491]

約数ペア:

[(1, 31396491), (3, 10465497), (7, 4485213), (9, 3488499), (21, 1495071), (27, 1162833), (63, 498357), (81, 387611), (189, 166119), (567, 55373)]