668889441

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{60869}}^1$

素因数の和:60926

約数の個数: 32

約数和(自身を含む): 1110268800

約数和(自身を除く): 441379359

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 60869, 182607, 547821, 669559, 1643463, 2008677, 2252153, 6026031, 6756459, 18078093, 20269377, 24773683, 60808131, 74321049, 222963147, 668889441]

約数ペア:

[(1, 668889441), (3, 222963147), (9, 74321049), (11, 60808131), (27, 24773683), (33, 20269377), (37, 18078093), (99, 6756459), (111, 6026031), (297, 2252153), (333, 2008677), (407, 1643463), (999, 669559), (1221, 547821), (3663, 182607), (10989, 60869)]