208087887

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{911}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 323942400

約数和(自身を除く): 115854513

約数列:

[1, 3, 7, 21, 73, 149, 219, 447, 511, 911, 1043, 1533, 2733, 3129, 6377, 10877, 19131, 32631, 66503, 76139, 135739, 199509, 228417, 407217, 465521, 950173, 1396563, 2850519, 9908947, 29726841, 69362629, 208087887]

約数ペア:

[(1, 208087887), (3, 69362629), (7, 29726841), (21, 9908947), (73, 2850519), (149, 1396563), (219, 950173), (447, 465521), (511, 407217), (911, 228417), (1043, 199509), (1533, 135739), (2733, 76139), (3129, 66503), (6377, 32631), (10877, 19131)]