217029141

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{26297}}^1$

素因数の和:26441

約数の個数: 24

約数和(自身を含む): 361018944

約数和(自身を除く): 143989803

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 26297, 78891, 184079, 236673, 552237, 1656711, 3444907, 10334721, 24114349, 31004163, 72343047, 217029141]

約数ペア:

[(1, 217029141), (3, 72343047), (7, 31004163), (9, 24114349), (21, 10334721), (63, 3444907), (131, 1656711), (393, 552237), (917, 236673), (1179, 184079), (2751, 78891), (8253, 26297)]