1668005991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6131}}^1$

素因数の和:6236

約数の個数: 48

約数和(自身を含む): 2665703040

約数和(自身を除く): 997697049

約数列:

[1, 3, 9, 19, 37, 43, 57, 111, 129, 171, 333, 387, 703, 817, 1591, 2109, 2451, 4773, 6131, 6327, 7353, 14319, 18393, 30229, 55179, 90687, 116489, 226847, 263633, 272061, 349467, 680541, 790899, 1048401, 2041623, 2372697, 4310093, 5009027, 9754421, 12930279, 15027081, 29263263, 38790837, 45081243, 87789789, 185333999, 556001997, 1668005991]

約数ペア:

[(1, 1668005991), (3, 556001997), (9, 185333999), (19, 87789789), (37, 45081243), (43, 38790837), (57, 29263263), (111, 15027081), (129, 12930279), (171, 9754421), (333, 5009027), (387, 4310093), (703, 2372697), (817, 2041623), (1591, 1048401), (2109, 790899), (2451, 680541), (4773, 349467), (6131, 272061), (6327, 263633), (7353, 226847), (14319, 116489), (18393, 90687), (30229, 55179)]