981398889

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{15101}}^1$

素因数の和:15222

約数の個数: 32

約数和(自身を含む): 1522281600

約数和(自身を除く): 540882711

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 747, 783, 2241, 2407, 7221, 15101, 21663, 45303, 64989, 135909, 407727, 437929, 1253383, 1313787, 3760149, 3941361, 11280447, 11824083, 33841341, 36348107, 109044321, 327132963, 981398889]

約数ペア:

[(1, 981398889), (3, 327132963), (9, 109044321), (27, 36348107), (29, 33841341), (83, 11824083), (87, 11280447), (249, 3941361), (261, 3760149), (747, 1313787), (783, 1253383), (2241, 437929), (2407, 407727), (7221, 135909), (15101, 64989), (21663, 45303)]