220172337

素因数分解:

$3^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 108

約数和(自身を含む): 428985648

約数和(自身を除く): 208813311

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 49, 63, 77, 81, 99, 123, 147, 189, 231, 243, 287, 297, 369, 441, 451, 539, 567, 693, 861, 891, 1107, 1323, 1353, 1617, 1681, 1701, 2009, 2079, 2583, 2673, 3157, 3321, 3969, 4059, 4851, 5043, 6027, 6237, 7749, 9471, 9963, 11767, 11907, 12177, 14553, 15129, 18081, 18491, 18711, 22099, 23247, 28413, 35301, 36531, 43659, 45387, 54243, 55473, 66297, 69741, 82369, 85239, 105903, 109593, 129437, 130977, 136161, 162729, 166419, 198891, 247107, 255717, 317709, 388311, 408483, 488187, 499257, 596673, 741321, 767151, 906059, 953127, 1164933, 1497771, 1790019, 2223963, 2718177, 2859381, 3494799, 4493313, 5370057, 6671889, 8154531, 10484397, 20015667, 24463593, 31453191, 73390779, 220172337]

約数ペア:

[(1, 220172337), (3, 73390779), (7, 31453191), (9, 24463593), (11, 20015667), (21, 10484397), (27, 8154531), (33, 6671889), (41, 5370057), (49, 4493313), (63, 3494799), (77, 2859381), (81, 2718177), (99, 2223963), (123, 1790019), (147, 1497771), (189, 1164933), (231, 953127), (243, 906059), (287, 767151), (297, 741321), (369, 596673), (441, 499257), (451, 488187), (539, 408483), (567, 388311), (693, 317709), (861, 255717), (891, 247107), (1107, 198891), (1323, 166419), (1353, 162729), (1617, 136161), (1681, 130977), (1701, 129437), (2009, 109593), (2079, 105903), (2583, 85239), (2673, 82369), (3157, 69741), (3321, 66297), (3969, 55473), (4059, 54243), (4851, 45387), (5043, 43659), (6027, 36531), (6237, 35301), (7749, 28413), (9471, 23247), (9963, 22099), (11767, 18711), (11907, 18491), (12177, 18081), (14553, 15129)]