28498689

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 45110400

約数和(自身を除く): 16611711

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 219, 513, 657, 761, 1387, 1971, 2283, 4161, 6849, 12483, 14459, 20547, 37449, 43377, 55553, 130131, 166659, 390393, 499977, 1055507, 1499931, 3166521, 9499563, 28498689]

約数ペア:

[(1, 28498689), (3, 9499563), (9, 3166521), (19, 1499931), (27, 1055507), (57, 499977), (73, 390393), (171, 166659), (219, 130131), (513, 55553), (657, 43377), (761, 37449), (1387, 20547), (1971, 14459), (2283, 12483), (4161, 6849)]