2780826057

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{12907}}^1$

素因数の和:13597

約数の個数: 24

約数和(自身を含む): 4132005696

約数和(自身を除く): 1351179639

約数列:

[1, 3, 9, 37, 111, 333, 647, 1941, 5823, 12907, 23939, 38721, 71817, 116163, 215451, 477559, 1432677, 4298031, 8350829, 25052487, 75157461, 308980673, 926942019, 2780826057]

約数ペア:

[(1, 2780826057), (3, 926942019), (9, 308980673), (37, 75157461), (111, 25052487), (333, 8350829), (647, 4298031), (1941, 1432677), (5823, 477559), (12907, 215451), (23939, 116163), (38721, 71817)]