223876791

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 383328000

約数和(自身を除く): 159451209

約数列:

[1, 3, 9, 17, 19, 27, 43, 51, 57, 81, 129, 153, 171, 199, 323, 387, 459, 513, 597, 731, 817, 969, 1161, 1377, 1539, 1791, 2193, 2451, 2907, 3383, 3483, 3781, 5373, 6579, 7353, 8557, 8721, 10149, 11343, 13889, 16119, 19737, 22059, 25671, 26163, 30447, 34029, 41667, 59211, 64277, 66177, 77013, 91341, 102087, 125001, 145469, 162583, 192831, 231039, 274023, 306261, 375003, 436407, 487749, 578493, 693117, 1125009, 1309221, 1463247, 1735479, 2763911, 3927663, 4389741, 5206437, 8291733, 11782989, 13169223, 24875199, 74625597, 223876791]

約数ペア:

[(1, 223876791), (3, 74625597), (9, 24875199), (17, 13169223), (19, 11782989), (27, 8291733), (43, 5206437), (51, 4389741), (57, 3927663), (81, 2763911), (129, 1735479), (153, 1463247), (171, 1309221), (199, 1125009), (323, 693117), (387, 578493), (459, 487749), (513, 436407), (597, 375003), (731, 306261), (817, 274023), (969, 231039), (1161, 192831), (1377, 162583), (1539, 145469), (1791, 125001), (2193, 102087), (2451, 91341), (2907, 77013), (3383, 66177), (3483, 64277), (3781, 59211), (5373, 41667), (6579, 34029), (7353, 30447), (8557, 26163), (8721, 25671), (10149, 22059), (11343, 19737), (13889, 16119)]