1998513

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{2243}}^1$

素因数の和:2266

約数の個数: 20

約数和(自身を含む): 3258288

約数和(自身を除く): 1259775

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 2243, 6729, 20187, 24673, 60561, 74019, 181683, 222057, 666171, 1998513]

約数ペア:

[(1, 1998513), (3, 666171), (9, 222057), (11, 181683), (27, 74019), (33, 60561), (81, 24673), (99, 20187), (297, 6729), (891, 2243)]