203431081

素因数分解:

$7^1\times {\mathrm{19}}^4\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 20

約数和(自身を含む): 246509312

約数和(自身を除く): 43078231

約数列:

[1, 7, 19, 133, 223, 361, 1561, 2527, 4237, 6859, 29659, 48013, 80503, 130321, 563521, 912247, 1529557, 10706899, 29061583, 203431081]

約数ペア:

[(1, 203431081), (7, 29061583), (19, 10706899), (133, 1529557), (223, 912247), (361, 563521), (1561, 130321), (2527, 80503), (4237, 48013), (6859, 29659)]