1320295389

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3309011}}^1$

素因数の和:3309040

約数の個数: 16

約数和(自身を含む): 2117767680

約数和(自身を除く): 797472291

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3309011, 9927033, 23163077, 62871209, 69489231, 188613627, 440098463, 1320295389]

約数ペア:

[(1, 1320295389), (3, 440098463), (7, 188613627), (19, 69489231), (21, 62871209), (57, 23163077), (133, 9927033), (399, 3309011)]