2787939

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 5241600

約数和(自身を除く): 2453661

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 149, 189, 231, 243, 297, 447, 567, 693, 891, 1043, 1341, 1639, 1701, 2079, 2673, 3129, 4023, 4917, 6237, 9387, 11473, 12069, 14751, 18711, 28161, 34419, 36207, 44253, 84483, 103257, 132759, 253449, 309771, 398277, 929313, 2787939]

約数ペア:

[(1, 2787939), (3, 929313), (7, 398277), (9, 309771), (11, 253449), (21, 132759), (27, 103257), (33, 84483), (63, 44253), (77, 36207), (81, 34419), (99, 28161), (149, 18711), (189, 14751), (231, 12069), (243, 11473), (297, 9387), (447, 6237), (567, 4917), (693, 4023), (891, 3129), (1043, 2673), (1341, 2079), (1639, 1701)]