2181195

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 3939840

約数和(自身を除く): 1758645

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 151, 321, 453, 535, 755, 963, 1359, 1605, 2265, 2889, 4077, 4815, 6795, 14445, 16157, 20385, 48471, 80785, 145413, 242355, 436239, 727065, 2181195]

約数ペア:

[(1, 2181195), (3, 727065), (5, 436239), (9, 242355), (15, 145413), (27, 80785), (45, 48471), (107, 20385), (135, 16157), (151, 14445), (321, 6795), (453, 4815), (535, 4077), (755, 2889), (963, 2265), (1359, 1605)]