320690721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{432781}}^1$

素因数の和:432816

約数の個数: 16

約数和(自身を含む): 484715840

約数和(自身を除く): 164025119

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 432781, 1298343, 5626153, 8222839, 16878459, 24668517, 106896907, 320690721]

約数ペア:

[(1, 320690721), (3, 106896907), (13, 24668517), (19, 16878459), (39, 8222839), (57, 5626153), (247, 1298343), (741, 432781)]