15809157

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 28537600

約数和(自身を除く): 12728443

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 97, 117, 199, 273, 291, 597, 679, 819, 873, 1261, 1393, 1791, 2037, 2587, 3783, 4179, 6111, 7761, 8827, 11349, 12537, 18109, 19303, 23283, 26481, 54327, 57909, 79443, 135121, 162981, 173727, 250939, 405363, 752817, 1216089, 1756573, 2258451, 5269719, 15809157]

約数ペア:

[(1, 15809157), (3, 5269719), (7, 2258451), (9, 1756573), (13, 1216089), (21, 752817), (39, 405363), (63, 250939), (91, 173727), (97, 162981), (117, 135121), (199, 79443), (273, 57909), (291, 54327), (597, 26481), (679, 23283), (819, 19303), (873, 18109), (1261, 12537), (1393, 11349), (1791, 8827), (2037, 7761), (2587, 6111), (3783, 4179)]