28164765

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81637}}^1$

素因数の和:81668

約数の個数: 16

約数和(自身を含む): 47023488

約数和(自身を除く): 18858723

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81637, 244911, 408185, 1224555, 1877651, 5632953, 9388255, 28164765]

約数ペア:

[(1, 28164765), (3, 9388255), (5, 5632953), (15, 1877651), (23, 1224555), (69, 408185), (115, 244911), (345, 81637)]