1683990189

素因数分解:

$3^3\times 7^1\times {\mathrm{8910001}}^1$

素因数の和:8910017

約数の個数: 16

約数和(自身を含む): 2851200640

約数和(自身を除く): 1167210451

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 8910001, 26730003, 62370007, 80190009, 187110021, 240570027, 561330063, 1683990189]

約数ペア:

[(1, 1683990189), (3, 561330063), (7, 240570027), (9, 187110021), (21, 80190009), (27, 62370007), (63, 26730003), (189, 8910001)]