51807357

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 95440800

約数和(自身を除く): 43633443

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 229, 243, 399, 441, 513, 567, 687, 931, 1197, 1323, 1539, 1603, 1701, 2061, 2793, 3591, 3969, 4351, 4617, 4809, 6183, 8379, 10773, 11221, 11907, 13053, 14427, 18549, 25137, 30457, 32319, 33663, 39159, 43281, 55647, 75411, 91371, 100989, 117477, 129843, 213199, 226233, 274113, 302967, 352431, 389529, 639597, 822339, 908901, 1057293, 1918791, 2467017, 2726703, 5756373, 7401051, 17269119, 51807357]

約数ペア:

[(1, 51807357), (3, 17269119), (7, 7401051), (9, 5756373), (19, 2726703), (21, 2467017), (27, 1918791), (49, 1057293), (57, 908901), (63, 822339), (81, 639597), (133, 389529), (147, 352431), (171, 302967), (189, 274113), (229, 226233), (243, 213199), (399, 129843), (441, 117477), (513, 100989), (567, 91371), (687, 75411), (931, 55647), (1197, 43281), (1323, 39159), (1539, 33663), (1603, 32319), (1701, 30457), (2061, 25137), (2793, 18549), (3591, 14427), (3969, 13053), (4351, 11907), (4617, 11221), (4809, 10773), (6183, 8379)]