40000509

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 59963904

約数和(自身を除く): 19963395

約数列:

[1, 3, 9, 31, 93, 279, 311, 461, 933, 1383, 2799, 4149, 9641, 14291, 28923, 42873, 86769, 128619, 143371, 430113, 1290339, 4444501, 13333503, 40000509]

約数ペア:

[(1, 40000509), (3, 13333503), (9, 4444501), (31, 1290339), (93, 430113), (279, 143371), (311, 128619), (461, 86769), (933, 42873), (1383, 28923), (2799, 14291), (4149, 9641)]