77883885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 145370160

約数和(自身を除く): 67486275

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 61, 85, 153, 183, 255, 305, 549, 765, 915, 1037, 1669, 2745, 3111, 5007, 5185, 8345, 9333, 15021, 15555, 25035, 28373, 46665, 75105, 85119, 101809, 141865, 255357, 305427, 425595, 509045, 916281, 1276785, 1527135, 1730753, 4581405, 5192259, 8653765, 15576777, 25961295, 77883885]

約数ペア:

[(1, 77883885), (3, 25961295), (5, 15576777), (9, 8653765), (15, 5192259), (17, 4581405), (45, 1730753), (51, 1527135), (61, 1276785), (85, 916281), (153, 509045), (183, 425595), (255, 305427), (305, 255357), (549, 141865), (765, 101809), (915, 85119), (1037, 75105), (1669, 46665), (2745, 28373), (3111, 25035), (5007, 15555), (5185, 15021), (8345, 9333)]