18071307

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 27665664

約数和(自身を除く): 9594357

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1303, 1541, 3909, 4623, 11727, 13869, 29969, 87301, 89907, 261903, 269721, 785709, 2007923, 6023769, 18071307]

約数ペア:

[(1, 18071307), (3, 6023769), (9, 2007923), (23, 785709), (67, 269721), (69, 261903), (201, 89907), (207, 87301), (603, 29969), (1303, 13869), (1541, 11727), (3909, 4623)]