17923311

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4007}}^1$

素因数の和:4091

約数の個数: 24

約数和(自身を含む): 30011904

約数和(自身を除く): 12088593

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4007, 4473, 12021, 28049, 36063, 84147, 252441, 284497, 853491, 1991479, 2560473, 5974437, 17923311]

約数ペア:

[(1, 17923311), (3, 5974437), (7, 2560473), (9, 1991479), (21, 853491), (63, 284497), (71, 252441), (213, 84147), (497, 36063), (639, 28049), (1491, 12021), (4007, 4473)]