686886321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{28631}}^1$

素因数の和:29372

約数の個数: 16

約数和(自身を含む): 1000516608

約数和(自身を除く): 313630287

約数列:

[1, 3, 11, 33, 727, 2181, 7997, 23991, 28631, 85893, 314941, 944823, 20814737, 62444211, 228962107, 686886321]

約数ペア:

[(1, 686886321), (3, 228962107), (11, 62444211), (33, 20814737), (727, 944823), (2181, 314941), (7997, 85893), (23991, 28631)]