215126385

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{701}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 353808000

約数和(自身を除く): 138681615

約数列:

[1, 3, 5, 15, 41, 123, 205, 499, 615, 701, 1497, 2103, 2495, 3505, 7485, 10515, 20459, 28741, 61377, 86223, 102295, 143705, 306885, 349799, 431115, 1049397, 1748995, 5246985, 14341759, 43025277, 71708795, 215126385]

約数ペア:

[(1, 215126385), (3, 71708795), (5, 43025277), (15, 14341759), (41, 5246985), (123, 1748995), (205, 1049397), (499, 431115), (615, 349799), (701, 306885), (1497, 143705), (2103, 102295), (2495, 86223), (3505, 61377), (7485, 28741), (10515, 20459)]