20961153

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45667}}^1$

素因数の和:45693

約数の個数: 16

約数和(自身を含む): 32880960

約数和(自身を除く): 11919807

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45667, 137001, 411003, 776339, 1233009, 2329017, 6987051, 20961153]

約数ペア:

[(1, 20961153), (3, 6987051), (9, 2329017), (17, 1233009), (27, 776339), (51, 411003), (153, 137001), (459, 45667)]