81315981

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59053}}^1$

素因数の和:59082

約数の個数: 20

約数和(自身を含む): 128619612

約数和(自身を除く): 47303631

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 59053, 177159, 531477, 1003901, 1594431, 3011703, 4783293, 9035109, 27105327, 81315981]

約数ペア:

[(1, 81315981), (3, 27105327), (9, 9035109), (17, 4783293), (27, 3011703), (51, 1594431), (81, 1003901), (153, 531477), (459, 177159), (1377, 59053)]