201951279

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{439981}}^1$

素因数の和:440007

約数の個数: 16

約数和(自身を含む): 316787040

約数和(自身を除く): 114835761

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 439981, 1319943, 3959829, 7479677, 11879487, 22439031, 67317093, 201951279]

約数ペア:

[(1, 201951279), (3, 67317093), (9, 22439031), (17, 11879487), (27, 7479677), (51, 3959829), (153, 1319943), (459, 439981)]