209085555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{5119}}^1$

素因数の和:5523

約数の個数: 32

約数和(自身を含む): 383385600

約数和(自身を除く): 174300045

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 389, 1167, 1945, 2723, 5119, 5835, 8169, 13615, 15357, 25595, 35833, 40845, 76785, 107499, 179165, 537495, 1991291, 5973873, 9956455, 13939037, 29869365, 41817111, 69695185, 209085555]

約数ペア:

[(1, 209085555), (3, 69695185), (5, 41817111), (7, 29869365), (15, 13939037), (21, 9956455), (35, 5973873), (105, 1991291), (389, 537495), (1167, 179165), (1945, 107499), (2723, 76785), (5119, 40845), (5835, 35833), (8169, 25595), (13615, 15357)]