128512143

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8081}}^1$

素因数の和:8140

約数の個数: 32

約数和(自身を含む): 206899200

約数和(自身を除く): 78387057

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1767, 5301, 8081, 15903, 24243, 72729, 153539, 218187, 250511, 460617, 751533, 1381851, 2254599, 4145553, 4759709, 6763797, 14279127, 42837381, 128512143]

約数ペア:

[(1, 128512143), (3, 42837381), (9, 14279127), (19, 6763797), (27, 4759709), (31, 4145553), (57, 2254599), (93, 1381851), (171, 751533), (279, 460617), (513, 250511), (589, 218187), (837, 153539), (1767, 72729), (5301, 24243), (8081, 15903)]