158421753

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 292448000

約数和(自身を除く): 134026247

約数列:

[1, 3, 7, 9, 19, 21, 37, 49, 57, 63, 73, 111, 133, 147, 171, 219, 259, 333, 343, 399, 441, 511, 657, 703, 777, 931, 1029, 1197, 1387, 1533, 1813, 2109, 2331, 2701, 2793, 3087, 3577, 4161, 4599, 4921, 5439, 6327, 6517, 8103, 8379, 9709, 10731, 12483, 12691, 14763, 16317, 18907, 19551, 24309, 25039, 29127, 32193, 34447, 38073, 44289, 51319, 56721, 58653, 67963, 75117, 87381, 103341, 114219, 132349, 153957, 170163, 203889, 225351, 241129, 310023, 359233, 397047, 461871, 475741, 611667, 723387, 926443, 1077699, 1191141, 1427223, 2170161, 2514631, 2779329, 3233097, 4281669, 7543893, 8337987, 17602417, 22631679, 52807251, 158421753]

約数ペア:

[(1, 158421753), (3, 52807251), (7, 22631679), (9, 17602417), (19, 8337987), (21, 7543893), (37, 4281669), (49, 3233097), (57, 2779329), (63, 2514631), (73, 2170161), (111, 1427223), (133, 1191141), (147, 1077699), (171, 926443), (219, 723387), (259, 611667), (333, 475741), (343, 461871), (399, 397047), (441, 359233), (511, 310023), (657, 241129), (703, 225351), (777, 203889), (931, 170163), (1029, 153957), (1197, 132349), (1387, 114219), (1533, 103341), (1813, 87381), (2109, 75117), (2331, 67963), (2701, 58653), (2793, 56721), (3087, 51319), (3577, 44289), (4161, 38073), (4599, 34447), (4921, 32193), (5439, 29127), (6327, 25039), (6517, 24309), (8103, 19551), (8379, 18907), (9709, 16317), (10731, 14763), (12483, 12691)]