238503609

素因数分解:

$3^4\times {\mathrm{1657}}^1\times {\mathrm{1777}}^1$

素因数の和:3446

約数の個数: 20

約数和(自身を含む): 356698804

約数和(自身を除く): 118195195

約数列:

[1, 3, 9, 27, 81, 1657, 1777, 4971, 5331, 14913, 15993, 44739, 47979, 134217, 143937, 2944489, 8833467, 26500401, 79501203, 238503609]

約数ペア:

[(1, 238503609), (3, 79501203), (9, 26500401), (27, 8833467), (81, 2944489), (1657, 143937), (1777, 134217), (4971, 47979), (5331, 44739), (14913, 15993)]