12147905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 6238015

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 227, 385, 695, 973, 1135, 1529, 1589, 2497, 4865, 7645, 7945, 10703, 12485, 17479, 31553, 53515, 87395, 157765, 220871, 347083, 1104355, 1735415, 2429581, 12147905]

約数ペア:

[(1, 12147905), (5, 2429581), (7, 1735415), (11, 1104355), (35, 347083), (55, 220871), (77, 157765), (139, 87395), (227, 53515), (385, 31553), (695, 17479), (973, 12485), (1135, 10703), (1529, 7945), (1589, 7645), (2497, 4865)]