81788751

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 142248960

約数和(自身を除く): 60460209

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 97, 99, 153, 167, 187, 291, 297, 459, 501, 561, 873, 1067, 1503, 1649, 1683, 1837, 2619, 2839, 3201, 4509, 4947, 5049, 5511, 8517, 9603, 14841, 16199, 16533, 18139, 25551, 28809, 31229, 44523, 48597, 49599, 54417, 76653, 93687, 145791, 163251, 178189, 275383, 281061, 437373, 489753, 534567, 826149, 843183, 1603701, 2478447, 3029213, 4811103, 7435341, 9087639, 27262917, 81788751]

約数ペア:

[(1, 81788751), (3, 27262917), (9, 9087639), (11, 7435341), (17, 4811103), (27, 3029213), (33, 2478447), (51, 1603701), (97, 843183), (99, 826149), (153, 534567), (167, 489753), (187, 437373), (291, 281061), (297, 275383), (459, 178189), (501, 163251), (561, 145791), (873, 93687), (1067, 76653), (1503, 54417), (1649, 49599), (1683, 48597), (1837, 44523), (2619, 31229), (2839, 28809), (3201, 25551), (4509, 18139), (4947, 16533), (5049, 16199), (5511, 14841), (8517, 9603)]