204865317

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{18859}}^1$

素因数の和:18953

約数の個数: 24

約数和(自身を含む): 317753280

約数和(自身を除く): 112887963

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 10863, 18859, 56577, 169731, 320603, 961809, 1338989, 2885427, 4016967, 12050901, 22762813, 68288439, 204865317]

約数ペア:

[(1, 204865317), (3, 68288439), (9, 22762813), (17, 12050901), (51, 4016967), (71, 2885427), (153, 1338989), (213, 961809), (639, 320603), (1207, 169731), (3621, 56577), (10863, 18859)]