291220488999

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{187951}}^1$

素因数の和:188058

約数の個数: 80

約数和(自身を含む): 497781098496

約数和(自身を除く): 206560609497

約数列:

[1, 3, 9, 11, 27, 33, 37, 47, 81, 99, 111, 141, 297, 333, 407, 423, 517, 891, 999, 1221, 1269, 1551, 1739, 2997, 3663, 3807, 4653, 5217, 10989, 13959, 15651, 19129, 32967, 41877, 46953, 57387, 140859, 172161, 187951, 516483, 563853, 1549449, 1691559, 2067461, 5074677, 6202383, 6954187, 8833697, 15224031, 18607149, 20862561, 26501091, 55821447, 62587683, 76496057, 79503273, 97170667, 167464341, 187763049, 229488171, 238509819, 291512001, 326846789, 563289147, 688464513, 715529457, 874536003, 980540367, 2065393539, 2623608009, 2941621101, 3595314679, 6196180617, 7870824027, 8824863303, 10785944037, 26474589909, 32357832111, 97073496333, 291220488999]

約数ペア:

[(1, 291220488999), (3, 97073496333), (9, 32357832111), (11, 26474589909), (27, 10785944037), (33, 8824863303), (37, 7870824027), (47, 6196180617), (81, 3595314679), (99, 2941621101), (111, 2623608009), (141, 2065393539), (297, 980540367), (333, 874536003), (407, 715529457), (423, 688464513), (517, 563289147), (891, 326846789), (999, 291512001), (1221, 238509819), (1269, 229488171), (1551, 187763049), (1739, 167464341), (2997, 97170667), (3663, 79503273), (3807, 76496057), (4653, 62587683), (5217, 55821447), (10989, 26501091), (13959, 20862561), (15651, 18607149), (19129, 15224031), (32967, 8833697), (41877, 6954187), (46953, 6202383), (57387, 5074677), (140859, 2067461), (172161, 1691559), (187951, 1549449), (516483, 563853)]