209664609

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4561}}^1$

素因数の和:4781

約数の個数: 32

約数和(自身を含む): 350361600

約数和(自身を除く): 140696991

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 597, 1393, 2189, 4179, 4561, 6567, 13683, 15323, 31927, 45969, 50171, 95781, 150513, 351197, 907639, 1053591, 2722917, 6353473, 9984029, 19060419, 29952087, 69888203, 209664609]

約数ペア:

[(1, 209664609), (3, 69888203), (7, 29952087), (11, 19060419), (21, 9984029), (33, 6353473), (77, 2722917), (199, 1053591), (231, 907639), (597, 351197), (1393, 150513), (2189, 95781), (4179, 50171), (4561, 45969), (6567, 31927), (13683, 15323)]