20131991073

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43860547}}^1$

素因数の和:43860573

約数の個数: 16

約数和(自身を含む): 31579594560

約数和(自身を除く): 11447603487

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43860547, 131581641, 394744923, 745629299, 1184234769, 2236887897, 6710663691, 20131991073]

約数ペア:

[(1, 20131991073), (3, 6710663691), (9, 2236887897), (17, 1184234769), (27, 745629299), (51, 394744923), (153, 131581641), (459, 43860547)]