211048761

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 374685696

約数和(自身を除く): 163636935

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 223, 231, 241, 357, 561, 669, 723, 1309, 1561, 1687, 2453, 2651, 3791, 3927, 4097, 4683, 5061, 7359, 7953, 11373, 12291, 17171, 18557, 26537, 28679, 41701, 45067, 51513, 53743, 55671, 79611, 86037, 125103, 135201, 161229, 291907, 315469, 376201, 591173, 875721, 913631, 946407, 1128603, 1773519, 2740893, 4138211, 6395417, 10049941, 12414633, 19186251, 30149823, 70349587, 211048761]

約数ペア:

[(1, 211048761), (3, 70349587), (7, 30149823), (11, 19186251), (17, 12414633), (21, 10049941), (33, 6395417), (51, 4138211), (77, 2740893), (119, 1773519), (187, 1128603), (223, 946407), (231, 913631), (241, 875721), (357, 591173), (561, 376201), (669, 315469), (723, 291907), (1309, 161229), (1561, 135201), (1687, 125103), (2453, 86037), (2651, 79611), (3791, 55671), (3927, 53743), (4097, 51513), (4683, 45067), (5061, 41701), (7359, 28679), (7953, 26537), (11373, 18557), (12291, 17171)]