28472805

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6143}}^1$

素因数の和:6257

約数の個数: 24

約数和(自身を含む): 49840128

約数和(自身を除く): 21367323

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 6143, 18429, 30715, 55287, 92145, 276435, 632729, 1898187, 3163645, 5694561, 9490935, 28472805]

約数ペア:

[(1, 28472805), (3, 9490935), (5, 5694561), (9, 3163645), (15, 1898187), (45, 632729), (103, 276435), (309, 92145), (515, 55287), (927, 30715), (1545, 18429), (4635, 6143)]