628172013

素因数分解:

$3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{15427}}^1$

素因数の和:15721

約数の個数: 24

約数和(自身を含む): 977888352

約数和(自身を除く): 349716339

約数列:

[1, 3, 7, 21, 49, 147, 277, 831, 1939, 5817, 13573, 15427, 40719, 46281, 107989, 323967, 755923, 2267769, 4273279, 12819837, 29912953, 89738859, 209390671, 628172013]

約数ペア:

[(1, 628172013), (3, 209390671), (7, 89738859), (21, 29912953), (49, 12819837), (147, 4273279), (277, 2267769), (831, 755923), (1939, 323967), (5817, 107989), (13573, 46281), (15427, 40719)]