200920161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1693}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 307359360

約数和(自身を除く): 106439199

約数列:

[1, 3, 13, 17, 39, 51, 179, 221, 537, 663, 1693, 2327, 3043, 5079, 6981, 9129, 22009, 28781, 39559, 66027, 86343, 118677, 303047, 374153, 909141, 1122459, 3939611, 5151799, 11818833, 15455397, 66973387, 200920161]

約数ペア:

[(1, 200920161), (3, 66973387), (13, 15455397), (17, 11818833), (39, 5151799), (51, 3939611), (179, 1122459), (221, 909141), (537, 374153), (663, 303047), (1693, 118677), (2327, 86343), (3043, 66027), (5079, 39559), (6981, 28781), (9129, 22009)]