1212996939

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 2052587520

約数和(自身を除く): 839590581

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 173, 231, 239, 381, 519, 717, 889, 1211, 1397, 1673, 1903, 2629, 2667, 3633, 4191, 5019, 5709, 7887, 9779, 13321, 18403, 21971, 29337, 30353, 39963, 41347, 55209, 65913, 91059, 124041, 153797, 212471, 241681, 289429, 333883, 454817, 461391, 637413, 725043, 868287, 1001649, 1364451, 1691767, 2337181, 3183719, 5075301, 5251069, 7011543, 9551157, 15753207, 36757483, 57761759, 110272449, 173285277, 404332313, 1212996939]

約数ペア:

[(1, 1212996939), (3, 404332313), (7, 173285277), (11, 110272449), (21, 57761759), (33, 36757483), (77, 15753207), (127, 9551157), (173, 7011543), (231, 5251069), (239, 5075301), (381, 3183719), (519, 2337181), (717, 1691767), (889, 1364451), (1211, 1001649), (1397, 868287), (1673, 725043), (1903, 637413), (2629, 461391), (2667, 454817), (3633, 333883), (4191, 289429), (5019, 241681), (5709, 212471), (7887, 153797), (9779, 124041), (13321, 91059), (18403, 65913), (21971, 55209), (29337, 41347), (30353, 39963)]