201913887

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 312712192

約数和(自身を除く): 110798305

約数列:

[1, 3, 7, 21, 103, 277, 309, 337, 721, 831, 1011, 1939, 2163, 2359, 5817, 7077, 28531, 34711, 85593, 93349, 104133, 199717, 242977, 280047, 599151, 653443, 728931, 1960329, 9614947, 28844841, 67304629, 201913887]

約数ペア:

[(1, 201913887), (3, 67304629), (7, 28844841), (21, 9614947), (103, 1960329), (277, 728931), (309, 653443), (337, 599151), (721, 280047), (831, 242977), (1011, 199717), (1939, 104133), (2163, 93349), (2359, 85593), (5817, 34711), (7077, 28531)]