51378369

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2125

約数の個数: 32

約数和(自身を含む): 84105216

約数和(自身を除く): 32726847

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 2027, 3621, 6081, 8449, 14189, 25347, 34459, 42567, 103377, 143917, 241213, 431751, 723639, 1007419, 2446589, 3022257, 7339767, 17126123, 51378369]

約数ペア:

[(1, 51378369), (3, 17126123), (7, 7339767), (17, 3022257), (21, 2446589), (51, 1007419), (71, 723639), (119, 431751), (213, 241213), (357, 143917), (497, 103377), (1207, 42567), (1491, 34459), (2027, 25347), (3621, 14189), (6081, 8449)]