681684081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{426319}}^1$

素因数の和:426376

約数の個数: 16

約数和(自身を含む): 1002704640

約数和(自身を除く): 321020559

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 426319, 1278957, 5542147, 16626441, 17479079, 52437237, 227228027, 681684081]

約数ペア:

[(1, 681684081), (3, 227228027), (13, 52437237), (39, 17479079), (41, 16626441), (123, 5542147), (533, 1278957), (1599, 426319)]