209991303

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{1699}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 313996800

約数和(自身を除く): 104005497

約数列:

[1, 3, 9, 31, 93, 279, 443, 1329, 1699, 3987, 5097, 13733, 15291, 41199, 52669, 123597, 158007, 474021, 752657, 2257971, 6773913, 23332367, 69997101, 209991303]

約数ペア:

[(1, 209991303), (3, 69997101), (9, 23332367), (31, 6773913), (93, 2257971), (279, 752657), (443, 474021), (1329, 158007), (1699, 123597), (3987, 52669), (5097, 41199), (13733, 15291)]