397393947

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{457}}^1\times {\mathrm{1823}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 586445184

約数和(自身を除く): 189051237

約数列:

[1, 3, 9, 53, 159, 457, 477, 1371, 1823, 4113, 5469, 16407, 24221, 72663, 96619, 217989, 289857, 833111, 869571, 2499333, 7497999, 44154883, 132464649, 397393947]

約数ペア:

[(1, 397393947), (3, 132464649), (9, 44154883), (53, 7497999), (159, 2499333), (457, 869571), (477, 833111), (1371, 289857), (1823, 217989), (4113, 96619), (5469, 72663), (16407, 24221)]