77021901

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 131619840

約数和(自身を除く): 54597939

約数列:

[1, 3, 9, 11, 27, 33, 37, 43, 99, 111, 129, 163, 297, 333, 387, 407, 473, 489, 999, 1161, 1221, 1419, 1467, 1591, 1793, 3663, 4257, 4401, 4773, 5379, 6031, 7009, 10989, 12771, 14319, 16137, 17501, 18093, 21027, 42957, 48411, 52503, 54279, 63081, 66341, 77099, 157509, 162837, 189243, 199023, 231297, 259333, 472527, 597069, 693891, 777999, 1791207, 2081673, 2333997, 2852663, 7001991, 8557989, 25673967, 77021901]

約数ペア:

[(1, 77021901), (3, 25673967), (9, 8557989), (11, 7001991), (27, 2852663), (33, 2333997), (37, 2081673), (43, 1791207), (99, 777999), (111, 693891), (129, 597069), (163, 472527), (297, 259333), (333, 231297), (387, 199023), (407, 189243), (473, 162837), (489, 157509), (999, 77099), (1161, 66341), (1221, 63081), (1419, 54279), (1467, 52503), (1591, 48411), (1793, 42957), (3663, 21027), (4257, 18093), (4401, 17501), (4773, 16137), (5379, 14319), (6031, 12771), (7009, 10989)]