618207921

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 978432000

約数和(自身を除く): 360224079

約数列:

[1, 3, 9, 19, 31, 57, 93, 139, 171, 279, 417, 589, 839, 1251, 1767, 2517, 2641, 4309, 5301, 7551, 7923, 12927, 15941, 23769, 26009, 38781, 47823, 78027, 81871, 116621, 143469, 234081, 245613, 349863, 494171, 736839, 1049589, 1482513, 2215799, 3615251, 4447539, 6647397, 10845753, 19942191, 32537259, 68689769, 206069307, 618207921]

約数ペア:

[(1, 618207921), (3, 206069307), (9, 68689769), (19, 32537259), (31, 19942191), (57, 10845753), (93, 6647397), (139, 4447539), (171, 3615251), (279, 2215799), (417, 1482513), (589, 1049589), (839, 736839), (1251, 494171), (1767, 349863), (2517, 245613), (2641, 234081), (4309, 143469), (5301, 116621), (7551, 81871), (7923, 78027), (12927, 47823), (15941, 38781), (23769, 26009)]