28539405

素因数分解:

$3^3\times 5^1\times {\mathrm{211403}}^1$

素因数の和:211417

約数の個数: 16

約数和(自身を含む): 50736960

約数和(自身を除く): 22197555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211403, 634209, 1057015, 1902627, 3171045, 5707881, 9513135, 28539405]

約数ペア:

[(1, 28539405), (3, 9513135), (5, 5707881), (9, 3171045), (15, 1902627), (27, 1057015), (45, 634209), (135, 211403)]