215973345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{11491}}^1$

素因数の和:11685

約数の個数: 32

約数和(自身を含む): 397163520

約数和(自身を除く): 181190175

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 179, 537, 895, 1253, 2685, 3759, 6265, 11491, 18795, 34473, 57455, 80437, 172365, 241311, 402185, 1206555, 2056889, 6170667, 10284445, 14398223, 30853335, 43194669, 71991115, 215973345]

約数ペア:

[(1, 215973345), (3, 71991115), (5, 43194669), (7, 30853335), (15, 14398223), (21, 10284445), (35, 6170667), (105, 2056889), (179, 1206555), (537, 402185), (895, 241311), (1253, 172365), (2685, 80437), (3759, 57455), (6265, 34473), (11491, 18795)]