201189989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{200989}}^1$

素因数の和:201020

約数の個数: 16

約数和(自身を含む): 270130560

約数和(自身を除く): 68940571

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 200989, 1406923, 2210879, 2612857, 15476153, 18289999, 28741427, 201189989]

約数ペア:

[(1, 201189989), (7, 28741427), (11, 18289999), (13, 15476153), (77, 2612857), (91, 2210879), (143, 1406923), (1001, 200989)]