15640713

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6869}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 25721280

約数和(自身を除く): 10080567

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 6869, 20607, 61821, 75559, 157987, 226677, 473961, 680031, 1421883, 1737857, 5213571, 15640713]

約数ペア:

[(1, 15640713), (3, 5213571), (9, 1737857), (11, 1421883), (23, 680031), (33, 473961), (69, 226677), (99, 157987), (207, 75559), (253, 61821), (759, 20607), (2277, 6869)]