28881069

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6911}}^1$

素因数の和:7120

約数の個数: 16

約数和(自身を含む): 44236800

約数和(自身を除く): 15355731

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 6911, 20733, 48377, 145131, 1375289, 4125867, 9627023, 28881069]

約数ペア:

[(1, 28881069), (3, 9627023), (7, 4125867), (21, 1375289), (199, 145131), (597, 48377), (1393, 20733), (4179, 6911)]