28806723

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 18996669

約数列:

[1, 3, 9, 11, 33, 41, 47, 99, 123, 141, 151, 369, 423, 451, 453, 517, 1353, 1359, 1551, 1661, 1927, 4059, 4653, 4983, 5781, 6191, 7097, 14949, 17343, 18573, 21197, 21291, 55719, 63591, 63873, 68101, 78067, 190773, 204303, 234201, 290977, 612909, 702603, 872931, 2618793, 3200747, 9602241, 28806723]

約数ペア:

[(1, 28806723), (3, 9602241), (9, 3200747), (11, 2618793), (33, 872931), (41, 702603), (47, 612909), (99, 290977), (123, 234201), (141, 204303), (151, 190773), (369, 78067), (423, 68101), (451, 63873), (453, 63591), (517, 55719), (1353, 21291), (1359, 21197), (1551, 18573), (1661, 17343), (1927, 14949), (4059, 7097), (4653, 6191), (4983, 5781)]