201669993

素因数分解:

$3^4\times 7^1\times {\mathrm{355679}}^1$

素因数の和:355698

約数の個数: 20

約数和(自身を含む): 344298240

約数和(自身を除く): 142628247

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355679, 1067037, 2489753, 3201111, 7469259, 9603333, 22407777, 28809999, 67223331, 201669993]

約数ペア:

[(1, 201669993), (3, 67223331), (7, 28809999), (9, 22407777), (21, 9603333), (27, 7469259), (63, 3201111), (81, 2489753), (189, 1067037), (567, 355679)]