28329441

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6779}}^1$

素因数の和:6988

約数の個数: 16

約数和(自身を含む): 43392000

約数和(自身を除く): 15062559

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 6779, 20337, 47453, 142359, 1349021, 4047063, 9443147, 28329441]

約数ペア:

[(1, 28329441), (3, 9443147), (7, 4047063), (21, 1349021), (199, 142359), (597, 47453), (1393, 20337), (4179, 6779)]