40072431

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 63078400

約数和(自身を除く): 23005969

約数列:

[1, 3, 7, 21, 43, 129, 199, 223, 301, 597, 669, 903, 1393, 1561, 4179, 4683, 8557, 9589, 25671, 28767, 44377, 59899, 67123, 133131, 179697, 201369, 310639, 931917, 1908211, 5724633, 13357477, 40072431]

約数ペア:

[(1, 40072431), (3, 13357477), (7, 5724633), (21, 1908211), (43, 931917), (129, 310639), (199, 201369), (223, 179697), (301, 133131), (597, 67123), (669, 59899), (903, 44377), (1393, 28767), (1561, 25671), (4179, 9589), (4683, 8557)]