27987021

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2551}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 42996096

約数和(自身を除く): 15009075

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 2551, 3657, 7653, 10971, 22959, 58673, 135203, 176019, 405609, 528057, 1216827, 3109669, 9329007, 27987021]

約数ペア:

[(1, 27987021), (3, 9329007), (9, 3109669), (23, 1216827), (53, 528057), (69, 405609), (159, 176019), (207, 135203), (477, 58673), (1219, 22959), (2551, 10971), (3657, 7653)]