31148631

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1860

約数の個数: 20

約数和(自身を含む): 46754400

約数和(自身を除く): 15605769

約数列:

[1, 3, 9, 27, 81, 239, 717, 1609, 2151, 4827, 6453, 14481, 19359, 43443, 130329, 384551, 1153653, 3460959, 10382877, 31148631]

約数ペア:

[(1, 31148631), (3, 10382877), (9, 3460959), (27, 1153653), (81, 384551), (239, 130329), (717, 43443), (1609, 19359), (2151, 14481), (4827, 6453)]