7988721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10781}}^1$

素因数の和:10816

約数の個数: 16

約数和(自身を含む): 12075840

約数和(自身を除く): 4087119

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 10781, 32343, 140153, 204839, 420459, 614517, 2662907, 7988721]

約数ペア:

[(1, 7988721), (3, 2662907), (13, 614517), (19, 420459), (39, 204839), (57, 140153), (247, 32343), (741, 10781)]