393676209

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{1723}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 580919040

約数和(自身を除く): 187242831

約数列:

[1, 3, 9, 53, 159, 477, 479, 1437, 1723, 4311, 5169, 15507, 25387, 76161, 91319, 228483, 273957, 821871, 825317, 2475951, 7427853, 43741801, 131225403, 393676209]

約数ペア:

[(1, 393676209), (3, 131225403), (9, 43741801), (53, 7427853), (159, 2475951), (477, 825317), (479, 821871), (1437, 273957), (1723, 228483), (4311, 91319), (5169, 76161), (15507, 25387)]