16742865

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 10905135

約数列:

[1, 3, 5, 15, 71, 79, 199, 213, 237, 355, 395, 597, 995, 1065, 1185, 2985, 5609, 14129, 15721, 16827, 28045, 42387, 47163, 70645, 78605, 84135, 211935, 235815, 1116191, 3348573, 5580955, 16742865]

約数ペア:

[(1, 16742865), (3, 5580955), (5, 3348573), (15, 1116191), (71, 235815), (79, 211935), (199, 84135), (213, 78605), (237, 70645), (355, 47163), (395, 42387), (597, 28045), (995, 16827), (1065, 15721), (1185, 14129), (2985, 5609)]