28702970811

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{20057981}}^1$

素因数の和:20058043

約数の個数: 16

約数和(自身を含む): 43325241120

約数和(自身を除く): 14622270309

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 20057981, 60173943, 180521829, 541565487, 1063072993, 3189218979, 9567656937, 28702970811]

約数ペア:

[(1, 28702970811), (3, 9567656937), (9, 3189218979), (27, 1063072993), (53, 541565487), (159, 180521829), (477, 60173943), (1431, 20057981)]