40497615

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20929}}^1$

素因数の和:20983

約数の個数: 24

約数和(自身を含む): 71831760

約数和(自身を除く): 31334145

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20929, 62787, 104645, 188361, 313935, 899947, 941805, 2699841, 4499735, 8099523, 13499205, 40497615]

約数ペア:

[(1, 40497615), (3, 13499205), (5, 8099523), (9, 4499735), (15, 2699841), (43, 941805), (45, 899947), (129, 313935), (215, 188361), (387, 104645), (645, 62787), (1935, 20929)]