57090987

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{1117}}^1$

素因数の和:1760

約数の個数: 20

約数和(自身を含む): 85495696

約数和(自身を除く): 28404709

約数列:

[1, 3, 9, 27, 81, 631, 1117, 1893, 3351, 5679, 10053, 17037, 30159, 51111, 90477, 704827, 2114481, 6343443, 19030329, 57090987]

約数ペア:

[(1, 57090987), (3, 19030329), (9, 6343443), (27, 2114481), (81, 704827), (631, 90477), (1117, 51111), (1893, 30159), (3351, 17037), (5679, 10053)]