209218779

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 422547840

約数和(自身を除く): 213329061

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 43, 49, 51, 59, 63, 77, 99, 119, 129, 147, 153, 177, 187, 231, 301, 357, 387, 413, 441, 473, 531, 539, 561, 649, 693, 731, 833, 903, 1003, 1071, 1239, 1309, 1419, 1617, 1683, 1947, 2107, 2193, 2499, 2537, 2709, 2891, 3009, 3311, 3717, 3927, 4257, 4543, 4851, 5117, 5841, 6321, 6579, 7021, 7497, 7611, 8041, 8673, 9027, 9163, 9933, 11033, 11781, 13629, 15351, 17759, 18963, 21063, 22833, 23177, 24123, 26019, 27489, 27907, 29799, 31801, 33099, 35819, 40887, 43129, 46053, 49147, 53277, 56287, 63189, 69531, 72369, 77231, 82467, 83721, 95403, 99297, 107457, 124313, 129387, 147441, 159831, 168861, 195349, 208593, 231693, 251163, 286209, 301903, 322371, 372939, 388161, 394009, 442323, 474419, 506583, 540617, 586047, 695079, 905709, 1118817, 1182027, 1367443, 1423257, 1621851, 1758141, 2113321, 2717127, 3320933, 3546081, 4102329, 4269771, 4865553, 6339963, 9962799, 12306987, 19019889, 23246531, 29888397, 69739593, 209218779]

約数ペア:

[(1, 209218779), (3, 69739593), (7, 29888397), (9, 23246531), (11, 19019889), (17, 12306987), (21, 9962799), (33, 6339963), (43, 4865553), (49, 4269771), (51, 4102329), (59, 3546081), (63, 3320933), (77, 2717127), (99, 2113321), (119, 1758141), (129, 1621851), (147, 1423257), (153, 1367443), (177, 1182027), (187, 1118817), (231, 905709), (301, 695079), (357, 586047), (387, 540617), (413, 506583), (441, 474419), (473, 442323), (531, 394009), (539, 388161), (561, 372939), (649, 322371), (693, 301903), (731, 286209), (833, 251163), (903, 231693), (1003, 208593), (1071, 195349), (1239, 168861), (1309, 159831), (1419, 147441), (1617, 129387), (1683, 124313), (1947, 107457), (2107, 99297), (2193, 95403), (2499, 83721), (2537, 82467), (2709, 77231), (2891, 72369), (3009, 69531), (3311, 63189), (3717, 56287), (3927, 53277), (4257, 49147), (4543, 46053), (4851, 43129), (5117, 40887), (5841, 35819), (6321, 33099), (6579, 31801), (7021, 29799), (7497, 27907), (7611, 27489), (8041, 26019), (8673, 24123), (9027, 23177), (9163, 22833), (9933, 21063), (11033, 18963), (11781, 17759), (13629, 15351)]