2802709

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 3633280

約数和(自身を除く): 830571

約数列:

[1, 7, 13, 19, 91, 133, 247, 1621, 1729, 11347, 21073, 30799, 147511, 215593, 400387, 2802709]

約数ペア:

[(1, 2802709), (7, 400387), (13, 215593), (19, 147511), (91, 30799), (133, 21073), (247, 11347), (1621, 1729)]