12878523

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 24008400

約数和(自身を除く): 11129877

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 53, 57, 63, 87, 133, 147, 159, 171, 203, 261, 371, 399, 441, 477, 551, 609, 931, 1007, 1113, 1197, 1421, 1537, 1653, 1827, 2597, 2793, 3021, 3339, 3857, 4263, 4611, 4959, 7049, 7791, 8379, 9063, 10759, 11571, 12789, 13833, 21147, 23373, 26999, 29203, 32277, 34713, 49343, 63441, 75313, 80997, 87609, 96831, 148029, 204421, 225939, 242991, 262827, 444087, 613263, 677817, 1430947, 1839789, 4292841, 12878523]

約数ペア:

[(1, 12878523), (3, 4292841), (7, 1839789), (9, 1430947), (19, 677817), (21, 613263), (29, 444087), (49, 262827), (53, 242991), (57, 225939), (63, 204421), (87, 148029), (133, 96831), (147, 87609), (159, 80997), (171, 75313), (203, 63441), (261, 49343), (371, 34713), (399, 32277), (441, 29203), (477, 26999), (551, 23373), (609, 21147), (931, 13833), (1007, 12789), (1113, 11571), (1197, 10759), (1421, 9063), (1537, 8379), (1653, 7791), (1827, 7049), (2597, 4959), (2793, 4611), (3021, 4263), (3339, 3857)]