220131873

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 360097920

約数和(自身を除く): 139966047

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 179, 207, 299, 457, 537, 897, 1371, 1611, 2327, 2691, 4113, 4117, 5941, 6981, 10511, 12351, 17823, 20943, 31533, 37053, 53469, 53521, 81803, 94599, 136643, 160563, 245409, 409929, 481689, 736227, 1063439, 1229787, 1881469, 3190317, 5644407, 9570951, 16933221, 24459097, 73377291, 220131873]

約数ペア:

[(1, 220131873), (3, 73377291), (9, 24459097), (13, 16933221), (23, 9570951), (39, 5644407), (69, 3190317), (117, 1881469), (179, 1229787), (207, 1063439), (299, 736227), (457, 481689), (537, 409929), (897, 245409), (1371, 160563), (1611, 136643), (2327, 94599), (2691, 81803), (4113, 53521), (4117, 53469), (5941, 37053), (6981, 31533), (10511, 20943), (12351, 17823)]