201990428487

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{440066293}}^1$

素因数の和:440066319

約数の個数: 16

約数和(自身を含む): 316847731680

約数和(自身を除く): 114857303193

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 440066293, 1320198879, 3960596637, 7481126981, 11881789911, 22443380943, 67330142829, 201990428487]

約数ペア:

[(1, 201990428487), (3, 67330142829), (9, 22443380943), (17, 11881789911), (27, 7481126981), (51, 3960596637), (153, 1320198879), (459, 440066293)]