1855755

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 3684096

約数和(自身を除く): 1828341

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 163, 165, 207, 253, 345, 489, 495, 759, 815, 1035, 1265, 1467, 1793, 2277, 2445, 3749, 3795, 5379, 7335, 8965, 11247, 11385, 16137, 18745, 26895, 33741, 41239, 56235, 80685, 123717, 168705, 206195, 371151, 618585, 1855755]

約数ペア:

[(1, 1855755), (3, 618585), (5, 371151), (9, 206195), (11, 168705), (15, 123717), (23, 80685), (33, 56235), (45, 41239), (55, 33741), (69, 26895), (99, 18745), (115, 16137), (163, 11385), (165, 11247), (207, 8965), (253, 7335), (345, 5379), (489, 3795), (495, 3749), (759, 2445), (815, 2277), (1035, 1793), (1265, 1467)]