31313877

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 49496064

約数和(自身を除く): 18182187

約数列:

[1, 3, 7, 21, 37, 111, 191, 211, 259, 573, 633, 777, 1337, 1477, 4011, 4431, 7067, 7807, 21201, 23421, 40301, 49469, 54649, 120903, 148407, 163947, 282107, 846321, 1491137, 4473411, 10437959, 31313877]

約数ペア:

[(1, 31313877), (3, 10437959), (7, 4473411), (21, 1491137), (37, 846321), (111, 282107), (191, 163947), (211, 148407), (259, 120903), (573, 54649), (633, 49469), (777, 40301), (1337, 23421), (1477, 21201), (4011, 7807), (4431, 7067)]