166855221

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 287763840

約数和(自身を除く): 120908619

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 169, 221, 239, 243, 351, 459, 507, 663, 717, 1053, 1377, 1521, 1989, 2151, 2873, 3107, 3159, 4063, 4131, 4563, 5967, 6453, 8619, 9321, 12189, 13689, 17901, 19359, 25857, 27963, 36567, 40391, 41067, 52819, 53703, 58077, 77571, 83889, 109701, 121173, 158457, 232713, 251667, 329103, 363519, 475371, 686647, 698139, 755001, 987309, 1090557, 1426113, 2059941, 3271671, 4278339, 6179823, 9815013, 12835017, 18539469, 55618407, 166855221]

約数ペア:

[(1, 166855221), (3, 55618407), (9, 18539469), (13, 12835017), (17, 9815013), (27, 6179823), (39, 4278339), (51, 3271671), (81, 2059941), (117, 1426113), (153, 1090557), (169, 987309), (221, 755001), (239, 698139), (243, 686647), (351, 475371), (459, 363519), (507, 329103), (663, 251667), (717, 232713), (1053, 158457), (1377, 121173), (1521, 109701), (1989, 83889), (2151, 77571), (2873, 58077), (3107, 53703), (3159, 52819), (4063, 41067), (4131, 40391), (4563, 36567), (5967, 27963), (6453, 25857), (8619, 19359), (9321, 17901), (12189, 13689)]