788732721

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2024

約数の個数: 80

約数和(自身を含む): 1451163648

約数和(自身を除く): 662430927

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 81, 93, 161, 189, 207, 217, 279, 483, 567, 621, 651, 713, 837, 1449, 1863, 1951, 1953, 2139, 2511, 4347, 4991, 5853, 5859, 6417, 13041, 13657, 14973, 17559, 17577, 19251, 40971, 44873, 44919, 52677, 57753, 60481, 122913, 134619, 134757, 158031, 181443, 314111, 368739, 403857, 404271, 423367, 544329, 942333, 1106217, 1211571, 1270101, 1391063, 1632987, 2826999, 3634713, 3810303, 4173189, 4898961, 8480997, 9737441, 11430909, 12519567, 25442991, 29212323, 34292727, 37558701, 87636969, 112676103, 262910907, 788732721]

約数ペア:

[(1, 788732721), (3, 262910907), (7, 112676103), (9, 87636969), (21, 37558701), (23, 34292727), (27, 29212323), (31, 25442991), (63, 12519567), (69, 11430909), (81, 9737441), (93, 8480997), (161, 4898961), (189, 4173189), (207, 3810303), (217, 3634713), (279, 2826999), (483, 1632987), (567, 1391063), (621, 1270101), (651, 1211571), (713, 1106217), (837, 942333), (1449, 544329), (1863, 423367), (1951, 404271), (1953, 403857), (2139, 368739), (2511, 314111), (4347, 181443), (4991, 158031), (5853, 134757), (5859, 134619), (6417, 122913), (13041, 60481), (13657, 57753), (14973, 52677), (17559, 44919), (17577, 44873), (19251, 40971)]