28712985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{273457}}^1$

素因数の和:273472

約数の個数: 16

約数和(自身を含む): 52503936

約数和(自身を除く): 23790951

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 273457, 820371, 1367285, 1914199, 4101855, 5742597, 9570995, 28712985]

約数ペア:

[(1, 28712985), (3, 9570995), (5, 5742597), (7, 4101855), (15, 1914199), (21, 1367285), (35, 820371), (105, 273457)]