81943893

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59509}}^1$

素因数の和:59538

約数の個数: 20

約数和(自身を含む): 129612780

約数和(自身を除く): 47668887

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 59509, 178527, 535581, 1011653, 1606743, 3034959, 4820229, 9104877, 27314631, 81943893]

約数ペア:

[(1, 81943893), (3, 27314631), (9, 9104877), (17, 4820229), (27, 3034959), (51, 1606743), (81, 1011653), (153, 535581), (459, 178527), (1377, 59509)]