1815740031

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{479}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 2860323840

約数和(自身を除く): 1044583809

約数列:

[1, 3, 7, 21, 49, 107, 147, 241, 321, 479, 723, 749, 1437, 1687, 2247, 3353, 5061, 5243, 10059, 11809, 15729, 23471, 25787, 35427, 51253, 70413, 77361, 115439, 153759, 180509, 346317, 358771, 541527, 808073, 1076313, 1263563, 2424219, 2511397, 3790689, 5656511, 7534191, 12351973, 16969533, 37055919, 86463811, 259391433, 605246677, 1815740031]

約数ペア:

[(1, 1815740031), (3, 605246677), (7, 259391433), (21, 86463811), (49, 37055919), (107, 16969533), (147, 12351973), (241, 7534191), (321, 5656511), (479, 3790689), (723, 2511397), (749, 2424219), (1437, 1263563), (1687, 1076313), (2247, 808073), (3353, 541527), (5061, 358771), (5243, 346317), (10059, 180509), (11809, 153759), (15729, 115439), (23471, 77361), (25787, 70413), (35427, 51253)]