209331213

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{2617}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 344822016

約数和(自身を除く): 135490803

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 293, 879, 2051, 2617, 3809, 6153, 7851, 11427, 18319, 26663, 34021, 54957, 79989, 102063, 238147, 714441, 766781, 2300343, 5367467, 9968153, 16102401, 29904459, 69777071, 209331213]

約数ペア:

[(1, 209331213), (3, 69777071), (7, 29904459), (13, 16102401), (21, 9968153), (39, 5367467), (91, 2300343), (273, 766781), (293, 714441), (879, 238147), (2051, 102063), (2617, 79989), (3809, 54957), (6153, 34021), (7851, 26663), (11427, 18319)]