51307785

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 96235776

約数和(自身を除く): 44927991

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 799, 1427, 2115, 2397, 3995, 4281, 7135, 7191, 11985, 12843, 21405, 24259, 35955, 64215, 67069, 72777, 121295, 201207, 218331, 335345, 363885, 603621, 1006035, 1091655, 1140173, 3018105, 3420519, 5700865, 10261557, 17102595, 51307785]

約数ペア:

[(1, 51307785), (3, 17102595), (5, 10261557), (9, 5700865), (15, 3420519), (17, 3018105), (45, 1140173), (47, 1091655), (51, 1006035), (85, 603621), (141, 363885), (153, 335345), (235, 218331), (255, 201207), (423, 121295), (705, 72777), (765, 67069), (799, 64215), (1427, 35955), (2115, 24259), (2397, 21405), (3995, 12843), (4281, 11985), (7135, 7191)]