209917758729

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2000417}}^1$

素因数の和:2000709

約数の個数: 32

約数和(自身を含む): 337990625280

約数和(自身を除く): 128072866551

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 399, 789, 1841, 4997, 5523, 14991, 34979, 104937, 2000417, 6001251, 14002919, 38007923, 42008757, 114023769, 266055461, 526109671, 798166383, 1578329013, 3682767697, 9996083749, 11048303091, 29988251247, 69972586243, 209917758729]

約数ペア:

[(1, 209917758729), (3, 69972586243), (7, 29988251247), (19, 11048303091), (21, 9996083749), (57, 3682767697), (133, 1578329013), (263, 798166383), (399, 526109671), (789, 266055461), (1841, 114023769), (4997, 42008757), (5523, 38007923), (14991, 14002919), (34979, 6001251), (104937, 2000417)]