206864721

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 377572104

約数和(自身を除く): 170707383

約数列:

[1, 3, 7, 9, 17, 21, 41, 49, 51, 63, 119, 123, 147, 153, 287, 357, 369, 441, 673, 697, 833, 861, 1071, 2009, 2019, 2091, 2499, 2583, 4711, 4879, 6027, 6057, 6273, 7497, 11441, 14133, 14637, 18081, 27593, 32977, 34153, 34323, 42399, 43911, 80087, 82779, 98931, 102459, 102969, 193151, 240261, 248337, 296793, 307377, 469081, 560609, 579453, 720783, 1352057, 1407243, 1681827, 1738359, 3283567, 4056171, 4221729, 5045481, 9850701, 12168513, 22984969, 29552103, 68954907, 206864721]

約数ペア:

[(1, 206864721), (3, 68954907), (7, 29552103), (9, 22984969), (17, 12168513), (21, 9850701), (41, 5045481), (49, 4221729), (51, 4056171), (63, 3283567), (119, 1738359), (123, 1681827), (147, 1407243), (153, 1352057), (287, 720783), (357, 579453), (369, 560609), (441, 469081), (673, 307377), (697, 296793), (833, 248337), (861, 240261), (1071, 193151), (2009, 102969), (2019, 102459), (2091, 98931), (2499, 82779), (2583, 80087), (4711, 43911), (4879, 42399), (6027, 34323), (6057, 34153), (6273, 32977), (7497, 27593), (11441, 18081), (14133, 14637)]