47747511

素因数分解:

$3^2\times 7^2\times {\mathrm{108271}}^1$

素因数の和:108291

約数の個数: 18

約数和(自身を含む): 80229552

約数和(自身を除く): 32482041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 108271, 324813, 757897, 974439, 2273691, 5305279, 6821073, 15915837, 47747511]

約数ペア:

[(1, 47747511), (3, 15915837), (7, 6821073), (9, 5305279), (21, 2273691), (49, 974439), (63, 757897), (147, 324813), (441, 108271)]