28755081

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{2351}}^1$

素因数の和:2514

約数の個数: 20

約数和(自身を含む): 43257984

約数和(自身を除く): 14502903

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 2351, 4077, 7053, 12231, 21159, 63477, 190431, 355001, 1065003, 3195009, 9585027, 28755081]

約数ペア:

[(1, 28755081), (3, 9585027), (9, 3195009), (27, 1065003), (81, 355001), (151, 190431), (453, 63477), (1359, 21159), (2351, 12231), (4077, 7053)]