9164945349

素因数分解:

$3^2\times 7^2\times {\mathrm{20782189}}^1$

素因数の和:20782209

約数の個数: 18

約数和(自身を含む): 15399602790

約数和(自身を除く): 6234657441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20782189, 62346567, 145475323, 187039701, 436425969, 1018327261, 1309277907, 3054981783, 9164945349]

約数ペア:

[(1, 9164945349), (3, 3054981783), (7, 1309277907), (9, 1018327261), (21, 436425969), (49, 187039701), (63, 145475323), (147, 62346567), (441, 20782189)]