28759473

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{45007}}^1$

素因数の和:45084

約数の個数: 12

約数和(自身を含む): 42127488

約数和(自身を除く): 13368015

約数列:

[1, 3, 9, 71, 213, 639, 45007, 135021, 405063, 3195497, 9586491, 28759473]

約数ペア:

[(1, 28759473), (3, 9586491), (9, 3195497), (71, 405063), (213, 135021), (639, 45007)]