8005221

素因数分解:

$3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 13291200

約数和(自身を除く): 5285979

約数列:

[1, 3, 7, 9, 21, 63, 283, 449, 849, 1347, 1981, 2547, 3143, 4041, 5943, 9429, 17829, 28287, 127067, 381201, 889469, 1143603, 2668407, 8005221]

約数ペア:

[(1, 8005221), (3, 2668407), (7, 1143603), (9, 889469), (21, 381201), (63, 127067), (283, 28287), (449, 17829), (849, 9429), (1347, 5943), (1981, 4041), (2547, 3143)]