639799065

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2663}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 1171946880

約数和(自身を除く): 532147815

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 281, 285, 843, 855, 1405, 2529, 2663, 4215, 5339, 7989, 12645, 13315, 16017, 23967, 26695, 39945, 48051, 50597, 80085, 119835, 151791, 240255, 252985, 455373, 748303, 758955, 2244909, 2276865, 3741515, 6734727, 11224545, 14217757, 33673635, 42653271, 71088785, 127959813, 213266355, 639799065]

約数ペア:

[(1, 639799065), (3, 213266355), (5, 127959813), (9, 71088785), (15, 42653271), (19, 33673635), (45, 14217757), (57, 11224545), (95, 6734727), (171, 3741515), (281, 2276865), (285, 2244909), (843, 758955), (855, 748303), (1405, 455373), (2529, 252985), (2663, 240255), (4215, 151791), (5339, 119835), (7989, 80085), (12645, 50597), (13315, 48051), (16017, 39945), (23967, 26695)]