42686721

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 79392768

約数和(自身を除く): 36706047

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1953, 1987, 2387, 3069, 5961, 7161, 13909, 17883, 21483, 21857, 41727, 61597, 65571, 125181, 152999, 184791, 196713, 431179, 458997, 554373, 677567, 1293537, 1376991, 2032701, 3880611, 4742969, 6098103, 14228907, 42686721]

約数ペア:

[(1, 42686721), (3, 14228907), (7, 6098103), (9, 4742969), (11, 3880611), (21, 2032701), (31, 1376991), (33, 1293537), (63, 677567), (77, 554373), (93, 458997), (99, 431179), (217, 196713), (231, 184791), (279, 152999), (341, 125181), (651, 65571), (693, 61597), (1023, 41727), (1953, 21857), (1987, 21483), (2387, 17883), (3069, 13909), (5961, 7161)]