66518859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 100290816

約数和(自身を除く): 33771957

約数列:

[1, 3, 11, 33, 37, 111, 157, 347, 407, 471, 1041, 1221, 1727, 3817, 5181, 5809, 11451, 12839, 17427, 38517, 54479, 63899, 141229, 163437, 191697, 423687, 599269, 1797807, 2015723, 6047169, 22172953, 66518859]

約数ペア:

[(1, 66518859), (3, 22172953), (11, 6047169), (33, 2015723), (37, 1797807), (111, 599269), (157, 423687), (347, 191697), (407, 163437), (471, 141229), (1041, 63899), (1221, 54479), (1727, 38517), (3817, 17427), (5181, 12839), (5809, 11451)]