255411

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 414960

約数和(自身を除く): 159549

約数列:

[1, 3, 9, 13, 37, 39, 59, 111, 117, 177, 333, 481, 531, 767, 1443, 2183, 2301, 4329, 6549, 6903, 19647, 28379, 85137, 255411]

約数ペア:

[(1, 255411), (3, 85137), (9, 28379), (13, 19647), (37, 6903), (39, 6549), (59, 4329), (111, 2301), (117, 2183), (177, 1443), (333, 767), (481, 531)]