18108321

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 30317568

約数和(自身を除く): 12209247

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 277, 283, 831, 849, 1939, 1981, 3047, 3113, 5817, 5943, 9141, 9339, 21329, 21791, 63987, 65373, 78391, 235173, 548737, 862301, 1646211, 2586903, 6036107, 18108321]

約数ペア:

[(1, 18108321), (3, 6036107), (7, 2586903), (11, 1646211), (21, 862301), (33, 548737), (77, 235173), (231, 78391), (277, 65373), (283, 63987), (831, 21791), (849, 21329), (1939, 9339), (1981, 9141), (3047, 5943), (3113, 5817)]