209984481

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6277}}^1$

素因数の和:6355

約数の個数: 40

約数和(自身を含む): 364626240

約数和(自身を除く): 154641759

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 1239, 1593, 3717, 4779, 6277, 11151, 18831, 33453, 43939, 56493, 131817, 169479, 370343, 395451, 508437, 1111029, 1186353, 2592401, 3333087, 3559059, 7777203, 9999261, 23331609, 29997783, 69994827, 209984481]

約数ペア:

[(1, 209984481), (3, 69994827), (7, 29997783), (9, 23331609), (21, 9999261), (27, 7777203), (59, 3559059), (63, 3333087), (81, 2592401), (177, 1186353), (189, 1111029), (413, 508437), (531, 395451), (567, 370343), (1239, 169479), (1593, 131817), (3717, 56493), (4779, 43939), (6277, 33453), (11151, 18831)]