4499985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 8716032

約数和(自身を除く): 4216047

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 2521, 7563, 12605, 17647, 37815, 42857, 52941, 88235, 128571, 214285, 264705, 299999, 642855, 899997, 1499995, 4499985]

約数ペア:

[(1, 4499985), (3, 1499995), (5, 899997), (7, 642855), (15, 299999), (17, 264705), (21, 214285), (35, 128571), (51, 88235), (85, 52941), (105, 42857), (119, 37815), (255, 17647), (357, 12605), (595, 7563), (1785, 2521)]