68790519

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 122880000

約数和(自身を除く): 54089481

約数列:

[1, 3, 7, 9, 21, 27, 31, 59, 63, 93, 177, 189, 199, 217, 279, 413, 531, 597, 651, 837, 1239, 1393, 1593, 1791, 1829, 1953, 3717, 4179, 5373, 5487, 5859, 6169, 11151, 11741, 12537, 12803, 16461, 18507, 35223, 37611, 38409, 43183, 49383, 55521, 82187, 105669, 115227, 129549, 166563, 246561, 317007, 345681, 363971, 388647, 739683, 1091913, 1165941, 2219049, 2547797, 3275739, 7643391, 9827217, 22930173, 68790519]

約数ペア:

[(1, 68790519), (3, 22930173), (7, 9827217), (9, 7643391), (21, 3275739), (27, 2547797), (31, 2219049), (59, 1165941), (63, 1091913), (93, 739683), (177, 388647), (189, 363971), (199, 345681), (217, 317007), (279, 246561), (413, 166563), (531, 129549), (597, 115227), (651, 105669), (837, 82187), (1239, 55521), (1393, 49383), (1593, 43183), (1791, 38409), (1829, 37611), (1953, 35223), (3717, 18507), (4179, 16461), (5373, 12803), (5487, 12537), (5859, 11741), (6169, 11151)]