1288334859

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{63839}}^1$

素因数の和:63911

約数の個数: 24

約数和(自身を含む): 2028579840

約数和(自身を除く): 740244981

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 6727, 20181, 63839, 191517, 446873, 1340619, 1979009, 5937027, 13853063, 41559189, 61349279, 184047837, 429444953, 1288334859]

約数ペア:

[(1, 1288334859), (3, 429444953), (7, 184047837), (21, 61349279), (31, 41559189), (93, 13853063), (217, 5937027), (651, 1979009), (961, 1340619), (2883, 446873), (6727, 191517), (20181, 63839)]