1440747

素因数分解:

$3^5\times 7^2\times {\mathrm{11}}^2$

素因数の和:51

約数の個数: 54

約数和(自身を含む): 2759484

約数和(自身を除く): 1318737

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, 847, 891, 1089, 1323, 1617, 1701, 2079, 2541, 2673, 3267, 3969, 4851, 5929, 6237, 7623, 9801, 11907, 14553, 17787, 18711, 22869, 29403, 43659, 53361, 68607, 130977, 160083, 205821, 480249, 1440747]

約数ペア:

[(1, 1440747), (3, 480249), (7, 205821), (9, 160083), (11, 130977), (21, 68607), (27, 53361), (33, 43659), (49, 29403), (63, 22869), (77, 18711), (81, 17787), (99, 14553), (121, 11907), (147, 9801), (189, 7623), (231, 6237), (243, 5929), (297, 4851), (363, 3969), (441, 3267), (539, 2673), (567, 2541), (693, 2079), (847, 1701), (891, 1617), (1089, 1323)]