30128889

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75511}}^1$

素因数の和:75540

約数の個数: 16

約数和(自身を含む): 48327680

約数和(自身を除く): 18198791

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 75511, 226533, 528577, 1434709, 1585731, 4304127, 10042963, 30128889]

約数ペア:

[(1, 30128889), (3, 10042963), (7, 4304127), (19, 1585731), (21, 1434709), (57, 528577), (133, 226533), (399, 75511)]