2851563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 4951296

約数和(自身を除く): 2099733

約数列:

[1, 3, 11, 13, 17, 23, 33, 39, 51, 69, 143, 187, 221, 253, 289, 299, 391, 429, 561, 663, 759, 867, 897, 1173, 2431, 3179, 3289, 3757, 4301, 5083, 6647, 7293, 9537, 9867, 11271, 12903, 15249, 19941, 41327, 55913, 73117, 86411, 123981, 167739, 219351, 259233, 950521, 2851563]

約数ペア:

[(1, 2851563), (3, 950521), (11, 259233), (13, 219351), (17, 167739), (23, 123981), (33, 86411), (39, 73117), (51, 55913), (69, 41327), (143, 19941), (187, 15249), (221, 12903), (253, 11271), (289, 9867), (299, 9537), (391, 7293), (429, 6647), (561, 5083), (663, 4301), (759, 3757), (867, 3289), (897, 3179), (1173, 2431)]