18480135

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 12163065

約数列:

[1, 3, 5, 15, 41, 123, 151, 199, 205, 453, 597, 615, 755, 995, 2265, 2985, 6191, 8159, 18573, 24477, 30049, 30955, 40795, 90147, 92865, 122385, 150245, 450735, 1232009, 3696027, 6160045, 18480135]

約数ペア:

[(1, 18480135), (3, 6160045), (5, 3696027), (15, 1232009), (41, 450735), (123, 150245), (151, 122385), (199, 92865), (205, 90147), (453, 40795), (597, 30955), (615, 30049), (755, 24477), (995, 18573), (2265, 8159), (2985, 6191)]