15391887

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5273}}^1$

素因数の和:5422

約数の個数: 16

約数和(自身を含む): 23627520

約数和(自身を除く): 8235633

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 5273, 15819, 36911, 110733, 732947, 2198841, 5130629, 15391887]

約数ペア:

[(1, 15391887), (3, 5130629), (7, 2198841), (21, 732947), (139, 110733), (417, 36911), (973, 15819), (2919, 5273)]