15124389

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 23660928

約数和(自身を除く): 8536539

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 751, 959, 2253, 2877, 5257, 6713, 15771, 20139, 36799, 102887, 110397, 308661, 720209, 2160627, 5041463, 15124389]

約数ペア:

[(1, 15124389), (3, 5041463), (7, 2160627), (21, 720209), (49, 308661), (137, 110397), (147, 102887), (411, 36799), (751, 20139), (959, 15771), (2253, 6713), (2877, 5257)]