12966723

素因数分解:

$3^7\times 7^2\times {\mathrm{11}}^2$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 24865680

約数和(自身を除く): 11898957

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 121, 147, 189, 231, 243, 297, 363, 441, 539, 567, 693, 729, 847, 891, 1089, 1323, 1617, 1701, 2079, 2187, 2541, 2673, 3267, 3969, 4851, 5103, 5929, 6237, 7623, 8019, 9801, 11907, 14553, 15309, 17787, 18711, 22869, 24057, 29403, 35721, 43659, 53361, 56133, 68607, 88209, 107163, 130977, 160083, 168399, 205821, 264627, 392931, 480249, 617463, 1178793, 1440747, 1852389, 4322241, 12966723]

約数ペア:

[(1, 12966723), (3, 4322241), (7, 1852389), (9, 1440747), (11, 1178793), (21, 617463), (27, 480249), (33, 392931), (49, 264627), (63, 205821), (77, 168399), (81, 160083), (99, 130977), (121, 107163), (147, 88209), (189, 68607), (231, 56133), (243, 53361), (297, 43659), (363, 35721), (441, 29403), (539, 24057), (567, 22869), (693, 18711), (729, 17787), (847, 15309), (891, 14553), (1089, 11907), (1323, 9801), (1617, 8019), (1701, 7623), (2079, 6237), (2187, 5929), (2541, 5103), (2673, 4851), (3267, 3969)]