25887687

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 40932864

約数和(自身を除く): 15045177

約数列:

[1, 3, 7, 21, 41, 107, 123, 281, 287, 321, 749, 843, 861, 1967, 2247, 4387, 5901, 11521, 13161, 30067, 30709, 34563, 80647, 90201, 92127, 210469, 241941, 631407, 1232747, 3698241, 8629229, 25887687]

約数ペア:

[(1, 25887687), (3, 8629229), (7, 3698241), (21, 1232747), (41, 631407), (107, 241941), (123, 210469), (281, 92127), (287, 90201), (321, 80647), (749, 34563), (843, 30709), (861, 30067), (1967, 13161), (2247, 11521), (4387, 5901)]