68779989

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 104480640

約数和(自身を除く): 35700651

約数列:

[1, 3, 9, 27, 67, 193, 197, 201, 579, 591, 603, 1737, 1773, 1809, 5211, 5319, 12931, 13199, 38021, 38793, 39597, 114063, 116379, 118791, 342189, 349137, 356373, 1026567, 2547407, 7642221, 22926663, 68779989]

約数ペア:

[(1, 68779989), (3, 22926663), (9, 7642221), (27, 2547407), (67, 1026567), (193, 356373), (197, 349137), (201, 342189), (579, 118791), (591, 116379), (603, 114063), (1737, 39597), (1773, 38793), (1809, 38021), (5211, 13199), (5319, 12931)]