28267665

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2851}}^1$

素因数の和:3520

約数の個数: 16

約数和(自身を含む): 45312576

約数和(自身を除く): 17044911

約数列:

[1, 3, 5, 15, 661, 1983, 2851, 3305, 8553, 9915, 14255, 42765, 1884511, 5653533, 9422555, 28267665]

約数ペア:

[(1, 28267665), (3, 9422555), (5, 5653533), (15, 1884511), (661, 42765), (1983, 14255), (2851, 9915), (3305, 8553)]