15289813

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 20437920

約数和(自身を除く): 5148107

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 1493, 10241, 10451, 16423, 28367, 73157, 114961, 198569, 312037, 804727, 1389983, 2184259, 15289813]

約数ペア:

[(1, 15289813), (7, 2184259), (11, 1389983), (19, 804727), (49, 312037), (77, 198569), (133, 114961), (209, 73157), (539, 28367), (931, 16423), (1463, 10451), (1493, 10241)]