83909511

素因数分解:

$3^2\times 7^2\times {\mathrm{190271}}^1$

素因数の和:190291

約数の個数: 18

約数和(自身を含む): 140991552

約数和(自身を除く): 57082041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 190271, 570813, 1331897, 1712439, 3995691, 9323279, 11987073, 27969837, 83909511]

約数ペア:

[(1, 83909511), (3, 27969837), (7, 11987073), (9, 9323279), (21, 3995691), (49, 1712439), (63, 1331897), (147, 570813), (441, 190271)]