20129769081

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{188317}}^1$

素因数の和:188470

約数の個数: 32

約数和(自身を含む): 30914282880

約数和(自身を除く): 10784513799

約数列:

[1, 3, 9, 27, 37, 107, 111, 321, 333, 963, 999, 2889, 3959, 11877, 35631, 106893, 188317, 564951, 1694853, 5084559, 6967729, 20149919, 20903187, 60449757, 62709561, 181349271, 188128683, 544047813, 745547003, 2236641009, 6709923027, 20129769081]

約数ペア:

[(1, 20129769081), (3, 6709923027), (9, 2236641009), (27, 745547003), (37, 544047813), (107, 188128683), (111, 181349271), (321, 62709561), (333, 60449757), (963, 20903187), (999, 20149919), (2889, 6967729), (3959, 5084559), (11877, 1694853), (35631, 564951), (106893, 188317)]