2810457

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 4817736

約数和(自身を除く): 2007279

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 157, 221, 351, 459, 471, 663, 1053, 1377, 1413, 1989, 2041, 2669, 4239, 5967, 6123, 8007, 12717, 17901, 18369, 24021, 34697, 55107, 72063, 104091, 165321, 216189, 312273, 936819, 2810457]

約数ペア:

[(1, 2810457), (3, 936819), (9, 312273), (13, 216189), (17, 165321), (27, 104091), (39, 72063), (51, 55107), (81, 34697), (117, 24021), (153, 18369), (157, 17901), (221, 12717), (351, 8007), (459, 6123), (471, 5967), (663, 4239), (1053, 2669), (1377, 2041), (1413, 1989)]