17998713

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 27820800

約数和(自身を除く): 9822087

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 229, 369, 639, 687, 1107, 1917, 2061, 2911, 6183, 8733, 9389, 16259, 26199, 28167, 48777, 78597, 84501, 146331, 253503, 438993, 666619, 1999857, 5999571, 17998713]

約数ペア:

[(1, 17998713), (3, 5999571), (9, 1999857), (27, 666619), (41, 438993), (71, 253503), (123, 146331), (213, 84501), (229, 78597), (369, 48777), (639, 28167), (687, 26199), (1107, 16259), (1917, 9389), (2061, 8733), (2911, 6183)]