127738989

素因数分解:

$3^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{2789}}^1$

素因数の和:3529

約数の個数: 24

約数和(自身を含む): 211236480

約数和(自身を除く): 83497491

約数列:

[1, 3, 7, 9, 21, 63, 727, 2181, 2789, 5089, 6543, 8367, 15267, 19523, 25101, 45801, 58569, 175707, 2027603, 6082809, 14193221, 18248427, 42579663, 127738989]

約数ペア:

[(1, 127738989), (3, 42579663), (7, 18248427), (9, 14193221), (21, 6082809), (63, 2027603), (727, 175707), (2181, 58569), (2789, 45801), (5089, 25101), (6543, 19523), (8367, 15267)]