1636698981

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{463}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 2276792320

約数和(自身を除く): 640093339

約数列:

[1, 3, 43, 67, 129, 201, 409, 463, 1227, 1389, 2881, 8643, 17587, 19909, 27403, 31021, 52761, 59727, 82209, 93063, 189367, 568101, 1178329, 1333903, 3534987, 4001709, 8142781, 12687589, 24428343, 38062767, 545566327, 1636698981]

約数ペア:

[(1, 1636698981), (3, 545566327), (43, 38062767), (67, 24428343), (129, 12687589), (201, 8142781), (409, 4001709), (463, 3534987), (1227, 1333903), (1389, 1178329), (2881, 568101), (8643, 189367), (17587, 93063), (19909, 82209), (27403, 59727), (31021, 52761)]