209213277

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3851}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 345139200

約数和(自身を除く): 135925923

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 597, 1393, 2587, 3851, 4179, 7761, 11553, 18109, 26957, 50063, 54327, 80871, 150189, 350441, 766349, 1051323, 2299047, 5364443, 9962537, 16093329, 29887611, 69737759, 209213277]

約数ペア:

[(1, 209213277), (3, 69737759), (7, 29887611), (13, 16093329), (21, 9962537), (39, 5364443), (91, 2299047), (199, 1051323), (273, 766349), (597, 350441), (1393, 150189), (2587, 80871), (3851, 54327), (4179, 50063), (7761, 26957), (11553, 18109)]