205657461

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{3571}}^1$

素因数の和:3668

約数の個数: 28

約数和(自身を含む): 312335680

約数和(自身を除く): 106678219

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 729, 2133, 3571, 6399, 10713, 19197, 32139, 57591, 96417, 282109, 289251, 846327, 867753, 2538981, 2603259, 7616943, 22850829, 68552487, 205657461]

約数ペア:

[(1, 205657461), (3, 68552487), (9, 22850829), (27, 7616943), (79, 2603259), (81, 2538981), (237, 867753), (243, 846327), (711, 289251), (729, 282109), (2133, 96417), (3571, 57591), (6399, 32139), (10713, 19197)]