287290431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{2621}}^1$

素因数の和:3287

約数の個数: 24

約数和(自身を含む): 437664240

約数和(自身を除く): 150373809

約数列:

[1, 3, 9, 19, 57, 171, 641, 1923, 2621, 5769, 7863, 12179, 23589, 36537, 49799, 109611, 149397, 448191, 1680061, 5040183, 15120549, 31921159, 95763477, 287290431]

約数ペア:

[(1, 287290431), (3, 95763477), (9, 31921159), (19, 15120549), (57, 5040183), (171, 1680061), (641, 448191), (1923, 149397), (2621, 109611), (5769, 49799), (7863, 36537), (12179, 23589)]