80840151

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 147891744

約数和(自身を除く): 67051593

約数列:

[1, 3, 7, 9, 17, 21, 41, 49, 51, 63, 119, 123, 147, 153, 263, 287, 357, 369, 441, 697, 789, 833, 861, 1071, 1841, 2009, 2091, 2367, 2499, 2583, 4471, 4879, 5523, 6027, 6273, 7497, 10783, 12887, 13413, 14637, 16569, 18081, 31297, 32349, 34153, 38661, 40239, 43911, 75481, 93891, 97047, 102459, 115983, 183311, 219079, 226443, 281673, 307377, 528367, 549933, 657237, 679329, 1283177, 1585101, 1649799, 1971711, 3849531, 4755303, 8982239, 11548593, 26946717, 80840151]

約数ペア:

[(1, 80840151), (3, 26946717), (7, 11548593), (9, 8982239), (17, 4755303), (21, 3849531), (41, 1971711), (49, 1649799), (51, 1585101), (63, 1283177), (119, 679329), (123, 657237), (147, 549933), (153, 528367), (263, 307377), (287, 281673), (357, 226443), (369, 219079), (441, 183311), (697, 115983), (789, 102459), (833, 97047), (861, 93891), (1071, 75481), (1841, 43911), (2009, 40239), (2091, 38661), (2367, 34153), (2499, 32349), (2583, 31297), (4471, 18081), (4879, 16569), (5523, 14637), (6027, 13413), (6273, 12887), (7497, 10783)]