66751857

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 104727168

約数和(自身を除く): 37975311

約数列:

[1, 3, 9, 27, 53, 71, 73, 81, 159, 213, 219, 243, 477, 639, 657, 1431, 1917, 1971, 3763, 3869, 4293, 5183, 5751, 5913, 11289, 11607, 12879, 15549, 17253, 17739, 33867, 34821, 46647, 101601, 104463, 139941, 274699, 304803, 313389, 419823, 824097, 914409, 940167, 1259469, 2472291, 7416873, 22250619, 66751857]

約数ペア:

[(1, 66751857), (3, 22250619), (9, 7416873), (27, 2472291), (53, 1259469), (71, 940167), (73, 914409), (81, 824097), (159, 419823), (213, 313389), (219, 304803), (243, 274699), (477, 139941), (639, 104463), (657, 101601), (1431, 46647), (1917, 34821), (1971, 33867), (3763, 17739), (3869, 17253), (4293, 15549), (5183, 12879), (5751, 11607), (5913, 11289)]