84565257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211943}}^1$

素因数の和:211972

約数の個数: 16

約数和(自身を含む): 135644160

約数和(自身を除く): 51078903

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 211943, 635829, 1483601, 4026917, 4450803, 12080751, 28188419, 84565257]

約数ペア:

[(1, 84565257), (3, 28188419), (7, 12080751), (19, 4450803), (21, 4026917), (57, 1483601), (133, 635829), (399, 211943)]