287804985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5107}}^1$

素因数の和:5162

約数の個数: 48

約数和(自身を含む): 526900416

約数和(自身を除く): 239095431

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 663, 867, 1105, 1445, 3315, 3757, 4335, 5107, 11271, 15321, 18785, 25535, 56355, 66391, 76605, 86819, 199173, 260457, 331955, 434095, 995865, 1128647, 1302285, 1475923, 3385941, 4427769, 5643235, 7379615, 16929705, 19186999, 22138845, 57560997, 95934995, 287804985]

約数ペア:

[(1, 287804985), (3, 95934995), (5, 57560997), (13, 22138845), (15, 19186999), (17, 16929705), (39, 7379615), (51, 5643235), (65, 4427769), (85, 3385941), (195, 1475923), (221, 1302285), (255, 1128647), (289, 995865), (663, 434095), (867, 331955), (1105, 260457), (1445, 199173), (3315, 86819), (3757, 76605), (4335, 66391), (5107, 56355), (11271, 25535), (15321, 18785)]