20180097

素因数分解:

$3^4\times 7^1\times {\mathrm{35591}}^1$

素因数の和:35610

約数の個数: 20

約数和(自身を含む): 34453056

約数和(自身を除く): 14272959

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35591, 106773, 249137, 320319, 747411, 960957, 2242233, 2882871, 6726699, 20180097]

約数ペア:

[(1, 20180097), (3, 6726699), (7, 2882871), (9, 2242233), (21, 960957), (27, 747411), (63, 320319), (81, 249137), (189, 106773), (567, 35591)]