206173863

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 373063680

約数和(自身を除く): 166889817

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 129, 161, 189, 207, 301, 387, 483, 621, 903, 989, 1103, 1161, 1449, 2709, 2967, 3309, 4347, 6923, 7721, 8127, 8901, 9927, 20769, 23163, 25369, 26703, 29781, 47429, 62307, 69489, 76107, 142287, 177583, 186921, 208467, 228321, 332003, 426861, 532749, 684963, 996009, 1090867, 1280583, 1598247, 2988027, 3272601, 4794741, 7636069, 8964081, 9817803, 22908207, 29453409, 68724621, 206173863]

約数ペア:

[(1, 206173863), (3, 68724621), (7, 29453409), (9, 22908207), (21, 9817803), (23, 8964081), (27, 7636069), (43, 4794741), (63, 3272601), (69, 2988027), (129, 1598247), (161, 1280583), (189, 1090867), (207, 996009), (301, 684963), (387, 532749), (483, 426861), (621, 332003), (903, 228321), (989, 208467), (1103, 186921), (1161, 177583), (1449, 142287), (2709, 76107), (2967, 69489), (3309, 62307), (4347, 47429), (6923, 29781), (7721, 26703), (8127, 25369), (8901, 23163), (9927, 20769)]