28383411

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20173}}^1$

素因数の和:20250

約数の個数: 16

約数和(自身を含む): 43898624

約数和(自身を除く): 15515213

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20173, 60519, 141211, 423633, 1351591, 4054773, 9461137, 28383411]

約数ペア:

[(1, 28383411), (3, 9461137), (7, 4054773), (21, 1351591), (67, 423633), (201, 141211), (469, 60519), (1407, 20173)]