263400687

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 442552320

約数和(自身を除く): 179151633

約数列:

[1, 3, 9, 11, 27, 33, 41, 97, 99, 123, 223, 291, 297, 369, 451, 669, 873, 1067, 1107, 1353, 2007, 2453, 2619, 3201, 3977, 4059, 6021, 7359, 9143, 9603, 11931, 12177, 21631, 22077, 27429, 28809, 35793, 43747, 64893, 66231, 82287, 100573, 107379, 131241, 194679, 237941, 246861, 301719, 393723, 584037, 713823, 886871, 905157, 1181169, 2141469, 2660613, 2715471, 6424407, 7981839, 9755581, 23945517, 29266743, 87800229, 263400687]

約数ペア:

[(1, 263400687), (3, 87800229), (9, 29266743), (11, 23945517), (27, 9755581), (33, 7981839), (41, 6424407), (97, 2715471), (99, 2660613), (123, 2141469), (223, 1181169), (291, 905157), (297, 886871), (369, 713823), (451, 584037), (669, 393723), (873, 301719), (1067, 246861), (1107, 237941), (1353, 194679), (2007, 131241), (2453, 107379), (2619, 100573), (3201, 82287), (3977, 66231), (4059, 64893), (6021, 43747), (7359, 35793), (9143, 28809), (9603, 27429), (11931, 22077), (12177, 21631)]