39904815

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19139}}^1$

素因数の和:19286

約数の個数: 16

約数和(自身を含む): 64310400

約数和(自身を除く): 24405585

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 19139, 57417, 95695, 287085, 2660321, 7980963, 13301605, 39904815]

約数ペア:

[(1, 39904815), (3, 13301605), (5, 7980963), (15, 2660321), (139, 287085), (417, 95695), (695, 57417), (2085, 19139)]