51811461

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 92332800

約数和(自身を除く): 40521339

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 57, 117, 153, 171, 221, 247, 323, 351, 457, 459, 513, 663, 741, 969, 1371, 1989, 2223, 2907, 4113, 4199, 5941, 5967, 6669, 7769, 8683, 8721, 12339, 12597, 17823, 23307, 26049, 37791, 53469, 69921, 78147, 100997, 112879, 113373, 147611, 160407, 209763, 234441, 302991, 338637, 442833, 908973, 1015911, 1328499, 1918943, 2726919, 3047733, 3985497, 5756829, 17270487, 51811461]

約数ペア:

[(1, 51811461), (3, 17270487), (9, 5756829), (13, 3985497), (17, 3047733), (19, 2726919), (27, 1918943), (39, 1328499), (51, 1015911), (57, 908973), (117, 442833), (153, 338637), (171, 302991), (221, 234441), (247, 209763), (323, 160407), (351, 147611), (457, 113373), (459, 112879), (513, 100997), (663, 78147), (741, 69921), (969, 53469), (1371, 37791), (1989, 26049), (2223, 23307), (2907, 17823), (4113, 12597), (4199, 12339), (5941, 8721), (5967, 8683), (6669, 7769)]