291719961

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 499458960

約数和(自身を除く): 207738999

約数列:

[1, 3, 9, 13, 27, 29, 39, 41, 81, 87, 117, 123, 233, 261, 351, 369, 377, 533, 699, 783, 1053, 1107, 1131, 1189, 1599, 2097, 2349, 3029, 3321, 3393, 3567, 4797, 6291, 6757, 9087, 9553, 10179, 10701, 14391, 15457, 18873, 20271, 27261, 28659, 30537, 32103, 43173, 46371, 60813, 81783, 85977, 87841, 96309, 124189, 139113, 182439, 245349, 257931, 263523, 277037, 372567, 417339, 547317, 773793, 790569, 831111, 1117701, 1252017, 2371707, 2493333, 3353103, 3601481, 7115121, 7479999, 10059309, 10804443, 22439997, 32413329, 97239987, 291719961]

約数ペア:

[(1, 291719961), (3, 97239987), (9, 32413329), (13, 22439997), (27, 10804443), (29, 10059309), (39, 7479999), (41, 7115121), (81, 3601481), (87, 3353103), (117, 2493333), (123, 2371707), (233, 1252017), (261, 1117701), (351, 831111), (369, 790569), (377, 773793), (533, 547317), (699, 417339), (783, 372567), (1053, 277037), (1107, 263523), (1131, 257931), (1189, 245349), (1599, 182439), (2097, 139113), (2349, 124189), (3029, 96309), (3321, 87841), (3393, 85977), (3567, 81783), (4797, 60813), (6291, 46371), (6757, 43173), (9087, 32103), (9553, 30537), (10179, 28659), (10701, 27261), (14391, 20271), (15457, 18873)]