66742785

素因数分解:

$3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 120341760

約数和(自身を除く): 53598975

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 405, 669, 739, 1115, 2007, 2217, 3345, 3695, 6021, 6651, 10035, 11085, 18063, 19953, 30105, 33255, 59859, 90315, 99765, 164797, 299295, 494391, 823985, 1483173, 2471955, 4449519, 7415865, 13348557, 22247595, 66742785]

約数ペア:

[(1, 66742785), (3, 22247595), (5, 13348557), (9, 7415865), (15, 4449519), (27, 2471955), (45, 1483173), (81, 823985), (135, 494391), (223, 299295), (405, 164797), (669, 99765), (739, 90315), (1115, 59859), (2007, 33255), (2217, 30105), (3345, 19953), (3695, 18063), (6021, 11085), (6651, 10035)]