28249635

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81883}}^1$

素因数の和:81914

約数の個数: 16

約数和(自身を含む): 47165184

約数和(自身を除く): 18915549

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81883, 245649, 409415, 1228245, 1883309, 5649927, 9416545, 28249635]

約数ペア:

[(1, 28249635), (3, 9416545), (5, 5649927), (15, 1883309), (23, 1228245), (69, 409415), (115, 245649), (345, 81883)]