28304889

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13421}}^1$

素因数の和:13480

約数の個数: 16

約数和(自身を含む): 40802880

約数和(自身を除く): 12497991

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 13421, 40263, 254999, 496577, 764997, 1489731, 9434963, 28304889]

約数ペア:

[(1, 28304889), (3, 9434963), (19, 1489731), (37, 764997), (57, 496577), (111, 254999), (703, 40263), (2109, 13421)]