388021347

素因数分解:

$3^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1742

約数の個数: 60

約数和(自身を含む): 686113560

約数和(自身を除く): 298092213

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 81, 147, 177, 189, 413, 441, 531, 567, 1239, 1323, 1593, 1657, 2891, 3717, 3969, 4779, 4971, 8673, 11151, 11599, 14913, 26019, 33453, 34797, 44739, 78057, 81193, 97763, 104391, 134217, 234171, 243579, 293289, 313173, 684341, 730737, 879867, 939519, 2053023, 2192211, 2639601, 4790387, 6159069, 6576633, 7918803, 14371161, 18477207, 43113483, 55431621, 129340449, 388021347]

約数ペア:

[(1, 388021347), (3, 129340449), (7, 55431621), (9, 43113483), (21, 18477207), (27, 14371161), (49, 7918803), (59, 6576633), (63, 6159069), (81, 4790387), (147, 2639601), (177, 2192211), (189, 2053023), (413, 939519), (441, 879867), (531, 730737), (567, 684341), (1239, 313173), (1323, 293289), (1593, 243579), (1657, 234171), (2891, 134217), (3717, 104391), (3969, 97763), (4779, 81193), (4971, 78057), (8673, 44739), (11151, 34797), (11599, 33453), (14913, 26019)]