291248181

素因数分解:

$3^2\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{4349}}^1$

素因数の和:5425

約数の個数: 24

約数和(自身を含む): 481353600

約数和(自身を除く): 190105419

約数列:

[1, 3, 7, 9, 21, 63, 1063, 3189, 4349, 7441, 9567, 13047, 22323, 30443, 39141, 66969, 91329, 273987, 4622987, 13868961, 32360909, 41606883, 97082727, 291248181]

約数ペア:

[(1, 291248181), (3, 97082727), (7, 41606883), (9, 32360909), (21, 13868961), (63, 4622987), (1063, 273987), (3189, 91329), (4349, 66969), (7441, 39141), (9567, 30443), (13047, 22323)]