201989997

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 327265920

約数和(自身を除く): 125275923

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 641, 1061, 1923, 3183, 5769, 7051, 9549, 11671, 17307, 21153, 28647, 35013, 63459, 105039, 190377, 315117, 680101, 2040303, 6120909, 7481111, 18362727, 22443333, 67329999, 201989997]

約数ペア:

[(1, 201989997), (3, 67329999), (9, 22443333), (11, 18362727), (27, 7481111), (33, 6120909), (99, 2040303), (297, 680101), (641, 315117), (1061, 190377), (1923, 105039), (3183, 63459), (5769, 35013), (7051, 28647), (9549, 21153), (11671, 17307)]