2018531475

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{72937}}^1$

素因数の和:72997

約数の個数: 48

約数和(自身を含む): 3798611040

約数和(自身を除く): 1780079565

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 1025, 1107, 1845, 3075, 5535, 9225, 27675, 72937, 218811, 364685, 656433, 1094055, 1823425, 1969299, 2990417, 3282165, 5470275, 8971251, 9846495, 14952085, 16410825, 26913753, 44856255, 49232475, 74760425, 80741259, 134568765, 224281275, 403706295, 672843825, 2018531475]

約数ペア:

[(1, 2018531475), (3, 672843825), (5, 403706295), (9, 224281275), (15, 134568765), (25, 80741259), (27, 74760425), (41, 49232475), (45, 44856255), (75, 26913753), (123, 16410825), (135, 14952085), (205, 9846495), (225, 8971251), (369, 5470275), (615, 3282165), (675, 2990417), (1025, 1969299), (1107, 1823425), (1845, 1094055), (3075, 656433), (5535, 364685), (9225, 218811), (27675, 72937)]