123412809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 201519360

約数和(自身を除く): 78106551

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 97, 101, 221, 247, 291, 303, 323, 663, 741, 969, 1261, 1313, 1649, 1717, 1843, 1919, 3783, 3939, 4199, 4947, 5151, 5529, 5757, 9797, 12597, 21437, 22321, 23959, 24947, 29391, 31331, 32623, 64311, 66963, 71877, 74841, 93993, 97869, 127361, 166549, 186143, 382083, 407303, 424099, 499647, 558429, 1221909, 1272297, 2165137, 2419859, 3164431, 6495411, 7259577, 9493293, 41137603, 123412809]

約数ペア:

[(1, 123412809), (3, 41137603), (13, 9493293), (17, 7259577), (19, 6495411), (39, 3164431), (51, 2419859), (57, 2165137), (97, 1272297), (101, 1221909), (221, 558429), (247, 499647), (291, 424099), (303, 407303), (323, 382083), (663, 186143), (741, 166549), (969, 127361), (1261, 97869), (1313, 93993), (1649, 74841), (1717, 71877), (1843, 66963), (1919, 64311), (3783, 32623), (3939, 31331), (4199, 29391), (4947, 24947), (5151, 23959), (5529, 22321), (5757, 21437), (9797, 12597)]