201791751

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{80749}}^1$

素因数の和:80783

約数の個数: 24

約数和(自身を含む): 331398000

約数和(自身を除く): 129606249

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 80749, 242247, 565243, 1372733, 1695729, 3956701, 4118199, 9609131, 11870103, 28827393, 67263917, 201791751]

約数ペア:

[(1, 201791751), (3, 67263917), (7, 28827393), (17, 11870103), (21, 9609131), (49, 4118199), (51, 3956701), (119, 1695729), (147, 1372733), (357, 565243), (833, 242247), (2499, 80749)]