3938823

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 6576128

約数和(自身を除く): 2637305

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 607, 721, 927, 1821, 2163, 4249, 5463, 6489, 12747, 38241, 62521, 187563, 437647, 562689, 1312941, 3938823]

約数ペア:

[(1, 3938823), (3, 1312941), (7, 562689), (9, 437647), (21, 187563), (63, 62521), (103, 38241), (309, 12747), (607, 6489), (721, 5463), (927, 4249), (1821, 2163)]