51279315

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 84672000

約数和(自身を除く): 33392685

約数列:

[1, 3, 5, 15, 41, 123, 199, 205, 419, 597, 615, 995, 1257, 2095, 2985, 6285, 8159, 17179, 24477, 40795, 51537, 83381, 85895, 122385, 250143, 257685, 416905, 1250715, 3418621, 10255863, 17093105, 51279315]

約数ペア:

[(1, 51279315), (3, 17093105), (5, 10255863), (15, 3418621), (41, 1250715), (123, 416905), (199, 257685), (205, 250143), (419, 122385), (597, 85895), (615, 83381), (995, 51537), (1257, 40795), (2095, 24477), (2985, 17179), (6285, 8159)]