209916105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{48761}}^1$

素因数の和:48817

約数の個数: 32

約数和(自身を含む): 393216768

約数和(自身を除く): 183300663

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 48761, 146283, 243805, 341327, 731415, 1023981, 1706635, 1999201, 5119905, 5997603, 9996005, 13994407, 29988015, 41983221, 69972035, 209916105]

約数ペア:

[(1, 209916105), (3, 69972035), (5, 41983221), (7, 29988015), (15, 13994407), (21, 9996005), (35, 5997603), (41, 5119905), (105, 1999201), (123, 1706635), (205, 1023981), (287, 731415), (615, 341327), (861, 243805), (1435, 146283), (4305, 48761)]