387668349

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 56

約数和(自身を含む): 605959200

約数和(自身を除く): 218290851

約数列:

[1, 3, 9, 27, 43, 81, 83, 129, 149, 243, 249, 387, 447, 729, 747, 1161, 1341, 2241, 3483, 3569, 4023, 6407, 6723, 10449, 10707, 12069, 12367, 19221, 20169, 31347, 32121, 36207, 37101, 57663, 60507, 96363, 108621, 111303, 172989, 289089, 333909, 518967, 531781, 867267, 1001727, 1556901, 1595343, 2601801, 3005181, 4670703, 4786029, 9015543, 14358087, 43074261, 129222783, 387668349]

約数ペア:

[(1, 387668349), (3, 129222783), (9, 43074261), (27, 14358087), (43, 9015543), (81, 4786029), (83, 4670703), (129, 3005181), (149, 2601801), (243, 1595343), (249, 1556901), (387, 1001727), (447, 867267), (729, 531781), (747, 518967), (1161, 333909), (1341, 289089), (2241, 172989), (3483, 111303), (3569, 108621), (4023, 96363), (6407, 60507), (6723, 57663), (10449, 37101), (10707, 36207), (12069, 32121), (12367, 31347), (19221, 20169)]