1260808857

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{259907}}^1$

素因数の和:259938

約数の個数: 36

約数和(自身を含む): 2311101936

約数和(自身を除く): 1050293079

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 259907, 779721, 1819349, 2339163, 2858977, 5458047, 8576931, 12735443, 16374141, 20012839, 25730793, 38206329, 60038517, 114618987, 140089873, 180115551, 420269619, 1260808857]

約数ペア:

[(1, 1260808857), (3, 420269619), (7, 180115551), (9, 140089873), (11, 114618987), (21, 60038517), (33, 38206329), (49, 25730793), (63, 20012839), (77, 16374141), (99, 12735443), (147, 8576931), (231, 5458047), (441, 2858977), (539, 2339163), (693, 1819349), (1617, 779721), (4851, 259907)]