2631609

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 20

約数和(自身を含む): 4011876

約数和(自身を除く): 1380267

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 613, 1431, 1839, 4293, 5517, 16551, 32489, 49653, 97467, 292401, 877203, 2631609]

約数ペア:

[(1, 2631609), (3, 877203), (9, 292401), (27, 97467), (53, 49653), (81, 32489), (159, 16551), (477, 5517), (613, 4293), (1431, 1839)]