28776105

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27803}}^1$

素因数の和:27837

約数の個数: 24

約数和(自身を含む): 52049088

約数和(自身を除く): 23272983

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27803, 83409, 139015, 250227, 417045, 639469, 1251135, 1918407, 3197345, 5755221, 9592035, 28776105]

約数ペア:

[(1, 28776105), (3, 9592035), (5, 5755221), (9, 3197345), (15, 1918407), (23, 1251135), (45, 639469), (69, 417045), (115, 250227), (207, 139015), (345, 83409), (1035, 27803)]