81252531

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1063}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 127680000

約数和(自身を除く): 46427469

約数列:

[1, 3, 9, 19, 27, 57, 149, 171, 447, 513, 1063, 1341, 2831, 3189, 4023, 8493, 9567, 20197, 25479, 28701, 60591, 76437, 158387, 181773, 475161, 545319, 1425483, 3009353, 4276449, 9028059, 27084177, 81252531]

約数ペア:

[(1, 81252531), (3, 27084177), (9, 9028059), (19, 4276449), (27, 3009353), (57, 1425483), (149, 545319), (171, 475161), (447, 181773), (513, 158387), (1063, 76437), (1341, 60591), (2831, 28701), (3189, 25479), (4023, 20197), (8493, 9567)]