208193601

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 354585600

約数和(自身を除く): 146391999

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 199, 231, 539, 597, 647, 1393, 1617, 1941, 2189, 4179, 4529, 6567, 7117, 9751, 13587, 15323, 21351, 29253, 31703, 45969, 49819, 95109, 107261, 128753, 149457, 321783, 348733, 386259, 901271, 1046199, 1416283, 2703813, 4248849, 6308897, 9913981, 18926691, 29741943, 69397867, 208193601]

約数ペア:

[(1, 208193601), (3, 69397867), (7, 29741943), (11, 18926691), (21, 9913981), (33, 6308897), (49, 4248849), (77, 2703813), (147, 1416283), (199, 1046199), (231, 901271), (539, 386259), (597, 348733), (647, 321783), (1393, 149457), (1617, 128753), (1941, 107261), (2189, 95109), (4179, 49819), (4529, 45969), (6567, 31703), (7117, 29253), (9751, 21351), (13587, 15323)]