31493367

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{22871}}^1$

素因数の和:22900

約数の個数: 20

約数和(自身を含む): 49815216

約数和(自身を除く): 18321849

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 22871, 68613, 205839, 388807, 617517, 1166421, 1852551, 3499263, 10497789, 31493367]

約数ペア:

[(1, 31493367), (3, 10497789), (9, 3499263), (17, 1852551), (27, 1166421), (51, 617517), (81, 388807), (153, 205839), (459, 68613), (1377, 22871)]