261322047

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{5867}}^1$

素因数の和:5988

約数の個数: 36

約数和(自身を含む): 443515176

約数和(自身を除く): 182193129

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 303, 441, 707, 909, 2121, 4949, 5867, 6363, 14847, 17601, 41069, 44541, 52803, 123207, 287483, 369621, 592567, 862449, 1777701, 2587347, 4147969, 5333103, 12443907, 29035783, 37331721, 87107349, 261322047]

約数ペア:

[(1, 261322047), (3, 87107349), (7, 37331721), (9, 29035783), (21, 12443907), (49, 5333103), (63, 4147969), (101, 2587347), (147, 1777701), (303, 862449), (441, 592567), (707, 369621), (909, 287483), (2121, 123207), (4949, 52803), (5867, 44541), (6363, 41069), (14847, 17601)]