1020002139

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{968663}}^1$

素因数の和:968688

約数の個数: 20

約数和(自身を含む): 1640916816

約数和(自身を除く): 620914677

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 968663, 2905989, 8717967, 12592619, 26153901, 37777857, 78461703, 113333571, 340000713, 1020002139]

約数ペア:

[(1, 1020002139), (3, 340000713), (9, 113333571), (13, 78461703), (27, 37777857), (39, 26153901), (81, 12592619), (117, 8717967), (351, 2905989), (1053, 968663)]