16662009

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8719}}^1$

素因数の和:8749

約数の個数: 24

約数和(自身を含む): 27834240

約数和(自身を除く): 11172231

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 8719, 26157, 61033, 113347, 183099, 340041, 427231, 793429, 1281693, 2380287, 5554003, 16662009]

約数ペア:

[(1, 16662009), (3, 5554003), (7, 2380287), (13, 1281693), (21, 793429), (39, 427231), (49, 340041), (91, 183099), (147, 113347), (273, 61033), (637, 26157), (1911, 8719)]