4127725

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 5932160

約数和(自身を除く): 1804435

約数列:

[1, 5, 7, 25, 35, 103, 175, 229, 515, 721, 1145, 1603, 2575, 3605, 5725, 8015, 18025, 23587, 40075, 117935, 165109, 589675, 825545, 4127725]

約数ペア:

[(1, 4127725), (5, 825545), (7, 589675), (25, 165109), (35, 117935), (103, 40075), (175, 23587), (229, 18025), (515, 8015), (721, 5725), (1145, 3605), (1603, 2575)]