13215489

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15349}}^1$

素因数の和:15400

約数の個数: 16

約数和(自身を含む): 20630400

約数和(自身を除く): 7414911

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 15349, 46047, 107443, 322329, 629309, 1887927, 4405163, 13215489]

約数ペア:

[(1, 13215489), (3, 4405163), (7, 1887927), (21, 629309), (41, 322329), (123, 107443), (287, 46047), (861, 15349)]