66640407

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{20549}}^1$

素因数の和:20622

約数の個数: 16

約数和(自身を含む): 94694400

約数和(自身を除く): 28053993

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 20549, 61647, 472627, 965803, 1417881, 2897409, 22213469, 66640407]

約数ペア:

[(1, 66640407), (3, 22213469), (23, 2897409), (47, 1417881), (69, 965803), (141, 472627), (1081, 61647), (3243, 20549)]