1898721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2154

約数の個数: 20

約数和(自身を含む): 3095664

約数和(自身を除く): 1196943

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 2131, 6393, 19179, 23441, 57537, 70323, 172611, 210969, 632907, 1898721]

約数ペア:

[(1, 1898721), (3, 632907), (9, 210969), (11, 172611), (27, 70323), (33, 57537), (81, 23441), (99, 19179), (297, 6393), (891, 2131)]