11787891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 17487360

約数和(自身を除く): 5699469

約数列:

[1, 3, 23, 29, 43, 69, 87, 129, 137, 411, 667, 989, 1247, 2001, 2967, 3151, 3741, 3973, 5891, 9453, 11919, 17673, 28681, 86043, 91379, 135493, 170839, 274137, 406479, 512517, 3929297, 11787891]

約数ペア:

[(1, 11787891), (3, 3929297), (23, 512517), (29, 406479), (43, 274137), (69, 170839), (87, 135493), (129, 91379), (137, 86043), (411, 28681), (667, 17673), (989, 11919), (1247, 9453), (2001, 5891), (2967, 3973), (3151, 3741)]